| NOUN | phenomenon | radiation | energy that is radiated or transmitted in the form of rays / rays or waves or particles |
|---|---|---|---|
| act | radiation | the act of spreading outward from a central source | |
| state | radiation, radiation sickness, radiation syndrome | syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions) | |
| process | radiation, radioactivity | the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay | |
| event | radiation | the spread of a group of organisms into new habitats | |
| body | radiation | a radial arrangement of nerve fibers connecting different parts of the brain | |
| act | radiation, radiotherapy, radiation therapy, actinotherapy, irradiation | (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance |
| Sounds | rey.diyey'shahn | |
|---|---|---|
| Rhymes | Aachen ... Zukerman: 2572 rhymes with ahn... | |
| Meaning | Energy that is radiated or transmitted in the form of rays / rays or waves or particles. | |
|---|---|---|
| Narrower | cosmic radiation | Radiation coming from outside the solar system |
| electromagnetic radiation, electromagnetic wave, nonparticulate radiation | Radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge | |
| ionizing radiation | high-energy radiation capable of producing ionization in substances through which it passes | |
| solar radiation | Radiation from the sun | |
| Broader | energy, free energy | (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work |
| Spanish | radiación | |
| Catalan | radiació | |
| Verbs | radiate | send out rays or waves |
| Meaning | The act of spreading outward from a central source. | |
|---|---|---|
| Narrower | bombardment | The act (or an instance) of subjecting a body or substance to the impact of high-energy particles (as electrons or alpha rays) |
| Broader | emission, emanation | The act of emitting |
| Spanish | radiación | |
| Catalan | radiació | |
| Verbs | radiate | extend or spread outward from a center or focus or inward towards a center |
| Meaning | syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours. | |
|---|---|---|
| Example | "he was suffering from radiation" | |
| Synonyms | radiation sickness, radiation syndrome | |
| Broader | syndrome | A pattern of symptoms indicative of some disease |
| Meaning | The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay. | |
|---|---|---|
| Synonym | radioactivity | |
| Narrower | corpuscular radiation, particulate radiation | A stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons) |
| Broader | emission | The release of electrons from parent atoms |
| Spanish | radiación, radiactividad, radioactividad | |
| Catalan | radioactivitat | |
| Meaning | The spread of a group of organisms into new habitats. | |
|---|---|---|
| Narrower | adaptive radiation | The development of many different forms from an originally / originally homogeneous group of organisms as they fill different ecological niches |
| Broader | natural process, natural action, action, activity | A process existing in or produced by nature (rather than by the intent of human beings) |
| spread, spreading | Process or result of distributing or extending over a wide expanse of space | |
| Verbs | radiate | spread into new habitats and produce variety or variegate |
| Meaning | A radial arrangement of nerve fibers connecting different parts of the brain. | |
|---|---|---|
| Broader | neural structure | A structure that is part of the nervous system |
| Verbs | radiate | extend or spread outward from a center or focus or inward towards a center |
| Meaning | (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance. | |
|---|---|---|
| Synonyms | radiotherapy, radiation therapy, actinotherapy, irradiation | |
| Category | medicine, medical specialty | The branches of medical science that deal with nonsurgical techniques |
| Narrower | X-ray therapy | The therapeutic use of X rays |
| phototherapy | The use of strong light to treat acne or hyperbilirubinemia of the newborn | |
| radium therapy, Curietherapy | The use of radium in radiation therapy | |
| Broader | therapy | (medicine) the act of caring for someone (as by medication or remedial training etc.) |
| Spanish | irradiación, radioterapia | |
| Catalan | radioteràpia | |
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