- Diurnal Motion
- The motion that occurs during one day.
The writer's dictionary of science fiction, fantasy, horror and mythology. 2014.
Diurnal Motion
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Diurnal motion — is an astronomical term referring to the apparent daily motion of stars around the Earth, or more precisely around the two celestial poles. It is caused by the Earth s rotation on its axis, so every star apparently moves on a circle, that is… … Wikipedia
diurnal motion — noun : the apparent westward motion of the celestial sphere and celestial bodies resulting from the rotation of the earth; also : the earth s rotation * * * Astron. the apparent daily motion, caused by the earth s rotation, of celestial bodies… … Useful english dictionary
Diurnal motion of a heavenly body — Diurnal Di*ur nal, a. [L. diurnalis, fr. dies day. See {Deity}, and cf. {Journal}.] 1. Relating to the daytime; belonging to the period of daylight, distinguished from the night; opposed to {nocturnal}; as, diurnal heat; diurnal hours. [1913… … The Collaborative International Dictionary of English
Diurnal motion of the earth — Diurnal Di*ur nal, a. [L. diurnalis, fr. dies day. See {Deity}, and cf. {Journal}.] 1. Relating to the daytime; belonging to the period of daylight, distinguished from the night; opposed to {nocturnal}; as, diurnal heat; diurnal hours. [1913… … The Collaborative International Dictionary of English
diurnal motion — Astron. the apparent daily motion, caused by the earth s rotation, of celestial bodies across the sky. * * * ▪ astronomy apparent daily motion of the heavens from east to west in which celestial objects seem to rise and set, a phenomenon… … Universalium
Diurnal — Di*ur nal, a. [L. diurnalis, fr. dies day. See {Deity}, and cf. {Journal}.] 1. Relating to the daytime; belonging to the period of daylight, distinguished from the night; opposed to {nocturnal}; as, diurnal heat; diurnal hours. [1913 Webster] 2.… … The Collaborative International Dictionary of English
Diurnal aberration — Diurnal Di*ur nal, a. [L. diurnalis, fr. dies day. See {Deity}, and cf. {Journal}.] 1. Relating to the daytime; belonging to the period of daylight, distinguished from the night; opposed to {nocturnal}; as, diurnal heat; diurnal hours. [1913… … The Collaborative International Dictionary of English
Diurnal arc — Diurnal Di*ur nal, a. [L. diurnalis, fr. dies day. See {Deity}, and cf. {Journal}.] 1. Relating to the daytime; belonging to the period of daylight, distinguished from the night; opposed to {nocturnal}; as, diurnal heat; diurnal hours. [1913… … The Collaborative International Dictionary of English
Diurnal circle — Diurnal Di*ur nal, a. [L. diurnalis, fr. dies day. See {Deity}, and cf. {Journal}.] 1. Relating to the daytime; belonging to the period of daylight, distinguished from the night; opposed to {nocturnal}; as, diurnal heat; diurnal hours. [1913… … The Collaborative International Dictionary of English
Diurnal parallax — Diurnal Di*ur nal, a. [L. diurnalis, fr. dies day. See {Deity}, and cf. {Journal}.] 1. Relating to the daytime; belonging to the period of daylight, distinguished from the night; opposed to {nocturnal}; as, diurnal heat; diurnal hours. [1913… … The Collaborative International Dictionary of English
