| 单词 | coelostat |
| 释义 | coelostat[ see-luh-stat ] / ˈsi ləˌstæt / noun Astronomy.an apparatus consisting of a mirror driven by clockwork, used to enable a fixed telescope to keep the same area of sky in its field of view by compensating for the apparent rotation of the celestial sphere. Compare siderostat. Origin of coelostat1895–1900; coelo- (for Latin caeli-, combining form of caelum sky) + -stat Words nearby coelostatcoeliac, coeliac disease, coelom, coelomate, coeloscope, coelostat, coelurosaur, coemption, Coen, coenacle, coenesthesia Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for coelostat
British Dictionary definitions for coelostatcoelostat / (ˈsiːləˌstæt) / nounan astronomical instrument consisting of a plane mirror mounted parallel to the earth's axis and rotated about this axis once every two days so that light from a celestial body, esp the sun, is reflected onto a second mirror, which reflects the beam into a telescopeCompare siderostat Word Origin for coelostatC19 coelo-, from Latin caelum heaven, sky + -stat 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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