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Equatorial   /ˌikwətˈɔriəl/   Listen
adjective
Equatorial  adj.  Of or pertaining to the equator; as, equatorial climates; also, pertaining to an equatorial instrument.



noun
Equatorial  n.  (Astron.) An instrument consisting of a telescope so mounted as to have two axes of motion at right angles to each other, one of them parallel to the axis of the earth, and each carrying a graduated circle, the one for measuring declination, and the other right ascension, or the hour angle, so that the telescope may be directed, even in the daytime, to any star or other object whose right ascension and declination are known. The motion in right ascension is sometimes communicated by clockwork, so as to keep the object constantly in the field of the telescope. Called also an equatorial telescope. Note: The term equatorial, or equatorial instrument, is sometimes applied to any astronomical instrument which has its principal axis of rotation parallel to the axis of the earth.






Collaborative International Dictionary of English 0.48








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"Equatorial" Quotes from Famous Books



... always double on their tracks; and that a ship is not done that manages to live through the first charge. This one never came back. They had five days of thirst and equatorial sun. Two men died; two fell into madness; Captain Carreras, Andrew Bedient and a Chinese made Hong Kong without ...
— Fate Knocks at the Door - A Novel • Will Levington Comfort

... muezzins from the Orient, pyramids from Egypt, domes from Moscow resembling gilded beets turned upside down; grey houses of parliament by the Thames, the Tower of London, the Palaces of Potsdam, the Tai Mahal. Strange lands indeed, and stranger peoples! booted Russians in blouses, naked Equatorial savages tattooed and amazingly adorned, soldiers and sailors, presidents, princes and emperors brought into such startling proximity one could easily imagine one's self exchanging the time of day! Incredible to Janet how the audiences, how even Eda accepted ...
— The Crossing • Winston Churchill

... the heat, I'd BEAR the freezing air Of equatorial realm or Arctic sea, I'd sit all BEAR at night, and watch the Northern BEAR, And bless my soul that he was far from me. I'd BEAR the poor-rates, tithes, and all the ills John Bull must BEAR, (who takes them all, poor sinner! As patients do, ...
— Roughing it in the Bush • Susanna Moodie

... new conditions of life in the tropics, and protect himself against the diseases that prevail in those regions. The popular belief that the white man cannot successfully colonize the tropics is disproved by the fact that he has done so. It is undoubtedly true that many Northerners who go to equatorial regions contract disease there and die; but in the majority of such cases the man is the victim of his obstinate unwillingness to change his habits in respect to eating, drinking, and clothing, and to conform his life ...
— Campaigning in Cuba • George Kennan

... they pushed the button. Perhaps it would have been better if nothing happened then. But that part worked. They got him out of the parabolic curve and headed back down. They fired reverse rockets that slowed him. They threw him into a broad equatorial orbit and let him ride. It took over an hour to be sure he was in orbit. I admired them that, but began to hate them very much. They ascertained the orbit and began new calculations. Here was where he should have had ...
— What Need of Man? • Harold Calin


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