equatorial

[ ee-kwuh-tawr-ee-uh l, -tohr-, ek-wuh- ]
/ ˌi kwəˈtɔr i əl, -ˈtoʊr-, ˌɛk wə- /
SEE SYNONYMS FOR equatorial ON THESAURUS.COM

adjective

of, relating to, or near an equator, especially the equator of the earth.
of, like, or typical of the regions at the earth's equator: equatorial temperatures.

noun

a telescope mounting having two axes of motion, one parallel to the earth's axis and one at right angles to it.
a telescope with such a mounting.

Origin of equatorial

First recorded in 1655–65; equator + -ial

OTHER WORDS FROM equatorial

Words nearby equatorial

equation of time, equational, equational verb, equative, equator, equatorial, equatorial coordinate system, equatorial countercurrent, equatorial current, equatorial guinea, equatorial mount

Words related to equatorial

tropic, central, torrid

Example sentences from the Web for equatorial

British Dictionary definitions for equatorial

equatorial
/ (ˌɛkwəˈtɔːrɪəl) /

adjective

of, like, or existing at or near the equator
astronautics (of a telescope) mounted on the perpendicular axes, one of which is parallel to the earth's axis an equatorial orbit
astronomy of or referring to the celestial equator equatorial coordinates

noun

an equatorial mounting for a telescope

Derived forms of equatorial

equatorially, adverb