equatorial

equa·to·ri·al

adj \ˌē-kwə-ˈtȯr-ē-əl, ˌe-kwə-\

Definition of EQUATORIAL

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

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

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

First Known Use of EQUATORIAL

1664

Related to EQUATORIAL

Synonyms: low, tropical

Antonyms: polar

Related Words: semitropical (also semitropic), subtropical (also subtropic)

Near Antonyms: temperate

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Rhymes with EQUATORIAL

conductorial, curatorial, dictatorial, directorial, editorial, immemorial, incorporeal, janitorial, monitorial, monsignorial, natatorial, piscatorial, preceptorial, professorial, purgatorial, reportorial, senatorial, territorial