# HyperDic: physics

 NOUN cognition physics, natural philosophy the science of matter and energy and their interactions cognition physics, physical science the physical properties, phenomena, and laws of something
Sounds fih'zihks acoustics ... UNIX: 110 rhymes with ihks...
Meaning Example The science of matter and energy and their interactions. "his favorite subject was physics" natural philosophy Bohr theory (physics) a theory of atomic structure that combined Rutherford's model with the quantum theory Bose-Einstein statistics (physics) statistical law obeyed by a system of particles whose wave function is not changed when two particles are interchanged (the Pauli exclusion principle does not apply) Coriolis effect (physics) an effect whereby a body moving in a rotating frame of reference experiences the Coriolis force acting perpendicular to the direction of motion and to the axis of rotation Coriolis force (physics) a force due to the earth's rotation Dalton's law, Dalton's law of partial pressures, law of partial pressures (chemistry and physics) law stating that the pressure exerted by a mixture of gases equals the sum of the partial pressures of the gases in the mixture Fermi-Dirac statistics (physics) law obeyed by a systems of particles whose wave function changes when two particles are interchanged (the Pauli exclusion principle applies) Gay-Lussac's law, Charles's law, law of volumes (physics) the density of an ideal gas at constant pressure varies inversely with the temperature Hooke's law (physics) the principle that (within the elastic limit) the stress applied to a solid is proportional to the strain produced Kirchhoff's laws (physics) two laws governing electric networks in which steady currents flow Maxwell-Boltzmann distribution law, Boltzmann distribution law (physics) a law expressing the distribution of energy among the molecules of a gas in thermal equilibrium Planck's law (physics) the basis of quantum theory Planck's radiation law (physics) an equation that expresses the distribution of energy in the radiated spectrum of an ideal black body absorber (physics) material in a nuclear reactor that absorbs radiation absorption (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium absorptivity, absorption factor (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body abundance (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present acceleration (physics) a rate of increase of velocity activated, excited (of e.g. a molecule) made reactive or more reactive adiabatic Occurring without loss or gain of heat / heat aeolotropic, eolotropic Having properties with different values along different axes aerodynamic Of or relating to aerodynamics amplitude (physics) the maximum displacement of a periodic wave angular acceleration (physics) the rate of change of the angular velocity of a rotating body angular velocity (physics) the rate of change of the angular position of a rotating body antinode (physics) the point of maximum displacement in a periodic system atom (physics and chemistry) the smallest component of an element having the chemical properties of the element atomic spectrum (physics) a spectrum of radiation caused by electron transitions within an atom attractive Having the properties of a magnet attractor, attracter (physics) a point in the ideal multidimensional phase space that is used to describe a system toward which the system tends to evolve regardless of the starting conditions of the system backscatter scatter (radiation) by the atoms of the medium through which it passes bombard Direct high energy particles or radiation against bound held with another element, substance or material in chemical or physical union center of buoyancy, centre of buoyancy, center of immersion, centre of immersion (physics) the center of mass of the immersed part of ship or other floating object chaos (physics) a dynamical system that is extremely sensitive to its initial conditions chaotic of or relating to a sensitive dependence on initial conditions classical (physics) relating to or based on concepts that preceded the theories of relativity and quantum mechanics coefficient of elasticity, modulus of elasticity, elastic modulus (physics) the ratio of the applied stress to the change in shape of an elastic body coherent (physics) of waves having a constant phase relation cohesion (physics) the intermolecular force that holds together the molecules in a solid or liquid collision, hit (physics) a brief event in which two or more bodies come together conservation (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations containment (physics) a system designed to prevent the accidental release of radioactive material from a reactor corpuscular theory, corpuscular theory of light (physics) the theory that light is transmitted as a stream of particles couple (physics) something joined by two equal and opposite forces that act along parallel lines critical At or of a point at which a property or phenomenon suffers an abrupt change especially having enough mass to sustain / sustain a chain ... / chain reaction crystallize, crystallise, crystalize, crystalise Cause to form crystals or assume crystalline form deceleration (physics) a rate of decrease in velocity decouple Eliminate airborne shock waves from (an explosive) demagnetize, demagnetise, degauss make nonmagnetic depolarize, depolarise Eliminate the polarization of diabatic Involving a transfer of heat diffusion (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration dip, angle of dip, magnetic dip, magnetic inclination, inclination (physics) the angle that a magnetic needle makes with the plane of the horizon disintegrate, decay, decompose Lose a stored charge, magnetic flux, or current disintegrate Cause to undergo fission or lose particles duality, wave-particle duality (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory dynamic Of or relating to dynamics dynamical system (physics) a phase space together with a transformation of that space electrify Charge (a conductor) with electricity elementary particle, fundamental particle (physics) a particle that is less complex than an atom energy, free energy (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work fiducial Used as a fixed standard of reference for comparison or measurement field theory (physics) a theory that explains a physical phenomenon in terms of a field and the manner in which it interacts with matter or with other fields fissionable, fissile capable of undergoing nuclear fission flux density, flux (physics) the number of changes in energy flow across a given surface per unit area force (physics) the influence that produces a change in a physical quantity free unconstrained or not chemically bound in a molecule or not fixed and capable of relatively unrestricted motion freeze, freeze out, freeze down change from a liquid / liquid to a solid when cold gas constant, universal gas constant, R (physics) the universal constant in the gas equation gravitational constant, universal gravitational constant, constant of gravitation, G (physics) the universal constant relating force to mass and distance in Newton's law of gravitation gravitational mass (physics) the mass of a body as measured by its gravitational attraction for other bodies gravity, gravitation, gravitational attraction, gravitational force (physics) the force of attraction between all masses in the universe gravity wave, gravitation wave (physics) a wave that is hypothesized to propagate / propagate gravity and to travel at the speed of light ground state (physics) the lowest energy state of an atom or other particle hodoscope (physics) scientific instrument that traces the path of a charged particle hydrodynamic Of or relating to hydrodynamics hyperfine Extremely fine or thin, as in a spectral line split into two or more components identical Having properties with uniform values along all axes immiscible, non-miscible, unmixable (chemistry, physics) incapable of mixing incoherent (physics) of waves having no stable definite or stable phase relation induce, induct produce electric current by electrostatic or magnetic processes inertia (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force inertial mass (physics) the mass of a body as determined by the second law of motion from the acceleration of the body when it is subjected to a force that is not due to gravity interaction, fundamental interaction (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields isotropy, symmetry (physics) the property of being isotropic kinetic theory, kinetic theory of gases (physics) a theory that gases consist of small particles in random motion law of gravitation, Newton's law of gravitation (physics) the law that states any two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them law of thermodynamics (physics) a law governing the relations between states of energy in a closed system light, visible light, visible radiation (physics) electromagnetic radiation that can produce a visual sensation liquefy, flux, liquify Become liquid or fluid when heated liquefy, liquify, liquidize, liquidise make (a solid substance) liquid, as by heating magnet (physics) a device that attracts iron and produces a magnetic field magnetic dipole moment (physics) a current loop gives rise to a magnetic field characteristic of a magnetic dipole magnetize, magnetise make magnetic mass-energy equivalence (physics) the principle that a measured quantity of mass is equivalent (according to relativity theory) to a measured quantity of energy mass energy (physics) the mass of a body regarded relativistically as energy meniscus (physics) the curved upper surface of a nonturbulent liquid / liquid in a vertical tube mesonic, mesic Of or pertaining to a meson metastability The quality of a physical system that persists in its existing equilibrium when undisturbed (or only slightly disturbed) but able to pass to a more stable equilibrium when sufficiently disturbed metastable (of physical systems) continuing in its present state of equilibrium unless sufficiently disturbed to pass to a more stable state of equilibrium metric function, metric A function of a topological space that gives, for any two points in the space, a value equal to the distance between them miscible, mixable (chemistry, physics) capable of being mixed modulus (physics) a coefficient that expresses how much of a specified property is possessed by a specified substance molecule (physics and chemistry) the simplest structural unit of an element or compound node (physics) the point of minimum displacement in a periodic system noncritical not critical nonfissionable not capable of undergoing fission nuclear Of or relating to or constituting / constituting the nucleus of an atom nuclear reaction (physics) a process that alters the energy or structure or composition of atomic nuclei nuclear reactor, reactor (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements optical density, transmission density, photographic density, absorbance (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation oscillation, vibration (physics) a regular periodic variation in value about a mean parity, conservation of parity, space-reflection symmetry, mirror symmetry (physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system pencil A figure formed by a set of straight lines or light rays meeting at a point perturbation (physics) a secondary influence on a system that causes it to deviate slightly phase space (physics) an ideal space in which the coordinate dimensions represent the variables that are required to describe a system or substance physicist A scientist trained in physics polarize, polarise Cause to vibrate in a definite pattern power (physics) the rate of doing work principle of equivalence (physics) the principle that an observer has no way of distinguishing whether his laboratory is in a uniform gravitational field or is in an accelerated frame of reference principle of relativity (physics) a universal law that states that the laws of mechanics are not affected by a uniform rectilinear motion of the system of coordinates to which they are referred quantal, quantized Of or relating to a quantum or capable of existing in only one of two states quantize, quantise apply quantum theory to quantum (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory) quantum jump (physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum quantum theory (physics) a physical theory that certain properties occur only in discrete amounts (quanta) quark (physics) hypothetical truly fundamental particle in mesons and baryons quench Reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance reactive Participating readily in reactions recombination (physics) a combining of charges or transfer of electrons in a gas that results in the neutralization of ions relativistic relating or subject to the special or the general theory of relativity relativistic mass (physics) the mass of a body in motion relative to the observer relativity, theory of relativity, relativity theory, Einstein's theory of relativity (physics) the theory that space and time are relative concepts rather than absolute concepts relaxation, relaxation behavior (physics) the exponential return of a system to equilibrium after a disturbance reluctance (physics) opposition to magnetic flux (analogous to electric resistance) reluctivity (physics) the resistance of a material to the establishment of a magnetic field in it repulsive possessing the ability to repel rest mass (physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body reversible capable of assuming or producing either of two states reversibly In a reversible manner rheologic, rheological Of or relating to rheology scintillation (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle shear (physics) a deformation of an object in which parallel planes remain parallel but are shifted in a direction parallel to themselves shear Become deformed by forces tending to produce a shearing strain solidify Become solid solidify make solid or more solid soliton, soliton wave, solitary wave (physics) a quantum of energy or quasiparticle that can be propagated as a traveling wave in nonlinear systems and is neither preceded nor followed by another such disturbance spallation (physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles strain (physics) deformation of a physical body under the action of applied forces stress (physics) force that produces strain on a physical body strong interaction, strong force, color force (physics) the interaction that binds protons and neutrons together in the nuclei of atoms supersymmetry (physics) a theory that tries to link the four fundamental forces sympathetic vibration (physics) vibration produced by resonance tension (physics) a stress that produces an elongation of an elastic physical body theory of gravitation, theory of gravity, gravitational theory, Newton's theory of gravitation (physics) the theory that any two particles of matter attract one another with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them transform increase or decrease (an alternating current or voltage) transform convert (one form of energy) to another transient (physics) a short-lived oscillation in a system caused by a sudden change of voltage or current or load translate subject to movement in which every part of the body moves parallel to and the same distance as every other point on the body transmutation (physics) the change of one chemical element into another (as by nuclear decay or radioactive bombardment) uncharged Of a particle or body or system unreactive (chemistry) not reacting chemically viscoelastic Having viscous as well as elastic properties wave, undulation (physics) a movement up and down or back and forth wave front, wavefront (physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating / propagating through a medium wave theory, undulatory theory, wave theory of light (physics) the theory that light is transmitted as waves weak interaction, weak force (physics) an interaction between elementary particles involving neutrinos or antineutrinos that is responsible for certain kinds of radioactive decay weakly interacting massive particle, WIMP A hypothetical subatomic particle of large mass that interacts weakly with ordinary matter through gravitation work (physics) a manifestation of energy aeronautics, astronautics The theory and practice of navigation through air or space astronomy, uranology The branch of physics that studies celestial bodies and the universe as a whole biophysics physics as applied to biological problems cryogenics, cryogeny The branch of physics that studies the phenomena that occur at very low temperatures crystallography The branch of science that studies the formation and structure of crystals electromagnetism, electromagnetics The branch of physics concerned with electromagnetic phenomena electronics The branch of physics that deals with the emission and effects of electrons and with the use of electronic devices electrostatics The branch of physics that deals with static electricity mechanics The branch of physics concerned with the motion / motion of bodies in a frame of reference nuclear physics, atomic physics, nucleonics The branch of physics that studies the internal structure of atomic nuclei optics The branch of physics that studies the physical properties of light particle physics, high-energy physics, high energy physics The branch of physics that studies subatomic particles and their interactions plasma physics The branch of physics concerned with matter in its plasma phase quantum physics The branch of physics based on quantum theory rheology The branch of physics that studies the deformation and flow of matter solid-state physics The branch of physics that studies the properties of materials in the solid state statistical mechanics The branch of physics that makes theoretical predictions about the behavior of macroscopic systems on the basis of statistical laws governing its component particles thermodynamics The branch of physics concerned with the conversion of different forms of energy natural science The sciences involved in the study of the physical world and its phenomena filosofía natural, física física physical relating to the sciences dealing with matter and energy physicist a scientist trained in physics
Meaning Example The physical properties, phenomena, and laws of something. "he studied the physics of radiation" physical science acoustics The study of the physical properties of sound natural science The sciences involved in the study of the physical world and its phenomena física física