“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States
SIDEREALLY
Etymology
Adverb
sidereally (not comparable)
In a sidereal manner.
Source: Wiktionary
SIDEREAL
Si*de"re*al, a. Etym: [L. sidereus, from sidus, sideris, a constellation, a star. Cf. Sideral, Consider, Desire.]
1. Relating to the stars; starry; astral; as, sidereal astronomy.
2. (Astron.)
Definition: Measuring by the apparent motion of the stars; designated, marked out, or accompanied, by a return to the same position in respect to the stars; as, the sidereal revolution of a planet; a sidereal day. Sidereal clock, day, month, year. See under Clock, Day, etc.
– Sideral time, time as reckoned by sideral days, or, taking the sidereal day as the unit, the time elapsed since a transit of the vernal equinox, reckoned in parts of a sidereal day. This is, strictly, apparent sidereal time, mean sidereal time being reckoned from the transit, not of the true, but of the mean, equinoctial point.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
21 January 2025
TRACE
(verb) follow, discover, or ascertain the course of development of something; “We must follow closely the economic development is Cuba”; “trace the student’s progress”; “trace one’s ancestry”
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