Associations to the word «Ephemeris»
Noun
Adjective
Wiktionary
EPHEMERIS, noun. (obsolete) (singular or plural) A journal or diary.
EPHEMERIS, noun. (astronomy) A table giving the apparent position of celestial bodies throughout the year; normally given as right ascension and declination
EPHEMERIS, noun. Software that calculates the apparent position of celestial bodies.
EPHEMERIS TIME, noun. (astronomy) A former standard astronomical time scale intended to overcome the drawbacks of irregularly fluctuating mean solar time, superseded in the 1970s.
EPHEMERIS TIME, noun. (astronomy) A modern relativistic-coordinate time scale.
Dictionary definition
EPHEMERIS, noun. An annual publication containing astronomical tables that give the positions of the celestial bodies throughout the year; "today computers calculate the ephemerides".
Wise words
Words are always getting conventionalized to some secondary
meaning. It is one of the works of poetry to take the
truants in custody and bring them back to their right
senses.