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View synonyms for equatorial

equatorial

[ ee-kwuh-tawr-ee-uhl, ek-wuh- ]

adjective

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

    equatorial temperatures.



noun

  1. a telescope mounting having two axes of motion, one parallel to the earth's axis and one at right angles to it.
  2. Also called e·qua·to·ri·al tel·e·scope [ee, -kw, uh, -tawr-ee-, uh, l , tel, -, uh, -skohp, ek, -w, uh, -],. a telescope with such a mounting.

equatorial

/ ˌɛkwəˈtɔːrɪəl /

adjective

  1. of, like, or existing at or near the equator
  2. astronautics (of a telescope) mounted on the perpendicular axes, one of which is parallel to the earth's axis

    an equatorial orbit

  3. astronomy of or referring to the celestial equator

    equatorial coordinates

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


noun

  1. an equatorial mounting for a telescope
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˌequaˈtorially, adverb
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Other Words From

  • e·qua·to·ri·al·ly adverb
  • non·e·qua·to·ri·al adjective
  • non·e·qua·to·ri·al·ly adverb
  • trans·e·qua·to·ri·al adjective
  • trans·e·qua·to·ri·al·ly adverb
  • un·e·qua·to·ri·al adjective
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Word History and Origins

Origin of equatorial1

First recorded in 1655–65; equator + -ial
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Example Sentences

The PETM lifted that to above 98°F, more than 16°F above the modern average equatorial Atlantic temperature.

During our work in that hot equatorial visit in 2015, we brought back tiny slivers of nautilus shells for analysis in giant mass spectroscopes.

If Earth had such an orbit, every year we’d pass over the sun’s north pole, dive through its equatorial plane, then pass below the sun’s south pole before coming back up again.

Both of those asteroids have equatorial diameters larger than their polar diameters.

Zimbabwe, Equatorial Guinea, Venezuela, and Nicaragua have been floated as possibilities.

The bodies hung there for weeks, reeking and swelling grotesquely in the equatorial heat.

What appear to be good observations show that the equatorial part of its area, at least, still glows from its own heat.

On the equatorial side this air is moving more rapidly than it is on the polar side.

At the same time this descending water drifts along the bottom of the ocean troughs toward the equatorial realm.

Those who do not dwell in the equatorial countries emigrate every autumn, just as your birds do.

It was a full moon, and the glorious golden light of the equatorial night shone through the high trees like a new dawn.

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equatorequatorial coordinate system