Meaning | A system that uses coordinates to establish position. |
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Synonyms | coordinate system, frame of reference, reference system |
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Parts | coordinate axis | One of the fixed reference lines of a coordinate system |
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Narrower | Cartesian coordinate system | A coordinate system for which the coordinates of a point are its distances from a set perpendicular lines that intersect at the origin of the system |
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inertial reference frame, inertial frame | A coordinate system in which Newton's first law of motion is valid |

space-time, space-time continuum | The four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located |

Broader | arrangement, organization, organisation, system | An organized structure for arranging or classifying |
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Spanish | sistema de coordenadas, sistema de referencia |
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