equatorial

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adjective equa·to·ri·al \ˌē-kwə-ˈtȯr-ē-əl, ˌe-kwə-\

Definition of equatorial

  1. 1 a :  of, relating to, or located at the equator or an equator; also :  being in the plane of the equator <a satellite in equatorial orbit> b :  of, originating in, or suggesting the region around the geographic equator

  2. 2 a :  being or having a support that includes two axles at right angles to each other with one parallel to the earth's axis of rotation <an equatorial telescope mount> b :  extending in a direction essentially in the plane of a cyclic structure (as of cyclohexane) <equatorial hydrogens> — compare axial

Examples of equatorial in a sentence

  1. <a lush equatorial rain forest that is threatened by rampant development>

1664

First Known Use of equatorial

1664


EQUATORIAL Defined for English Language Learners

equatorial

play
adjective equa·to·ri·al \ˌē-kwə-ˈtȯr-ē-əl, ˌe-kwə-\

Definition of equatorial for English Language Learners

  • : of or relating to the equator : located at or near the equator


EQUATORIAL Defined for Kids

equatorial

play
adjective equa·to·ri·al \ˌē-kwə-ˈtȯr-ē-əl, ˌe-kwə-\

Definition of equatorial for Students

  1. :  relating to or lying near the equator <an equatorial climate>


Medical Dictionary

equatorial

play play
adjective equa·to·ri·al \ˌē-kwə-ˈtōr-ē-əl, ˌek-wə-, -ˈtȯr-\

Medical Definition of equatorial

  1. 1:  of, located at, or relating to an equator <equatorial diameter>

  2. 2:  extending in a direction essentially in the plane of a cyclic structure (as of cyclohexane) <equatorial hydrogen atoms>—compare axial 2b



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