coelostat

coe·lo·stat

C c

Transcription

- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
- [see-luh-stat]
- /ˈsi ləˌstæt/
- /sˈiːləstˌat/

- US Pronunciation
- US IPA
- [see-luh-stat]
- /ˈsi ləˌstæt/

Definitions of coelostat word

noun coelostat an 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 telescope 3
noun coelostat an optical system, used with a fixed telescope, consisting of two mirrors with a moving mirror mounted on an axis parallel to the earth's axis of rotation and driven by clockwork so as to reflect the same portion of the sky continuously or to track the sun 3
noun coelostat 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. 1
noun coelostat An advanced version of a heliostat, having a rotating mirror that continuously reflects the light from the same area of sky, allowing the path of a celestial object to be monitored. 1
noun coelostat (astronomy) A device that rotates a telescope so as to keep its orientation constant with relation to the stars. 0

See all 5 definitions of coelostat

Information block about the term

Origin of coelostat

First appearance:

before 1895

One of the 18% newest English words

1895-1900; coelo- (for Latin caeli-, combining form of caelum sky) + -stat

Historical Comparancy

Parts of speech for Coelostat

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Coelostat

coelostat popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 50% of English native speakers know the meaning and use word.

This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

coelostat usage trend in Literature

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