NOUN | cognition | coordinate axis | one of the fixed reference lines of a coordinate system |
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Meaning | One of the fixed reference lines of a coordinate system. | |
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Part of | coordinate system, frame of reference, reference system, reference frame | A system that uses coordinates to establish position |

Narrower | x-axis | The horizontal axis in a plane coordinate system |

y-axis | The vertical axis in a plane coordinate system | |

z-axis | The third axis in a 3-dimensional coordinate system | |

Broader | axis | A straight line through a body or figure that satisfies certain conditions |

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