HyperDic: astronomical_unit

English > 1 sense of the expression Astronomical Unit:
NOUNquantityAstronomical Unit, AUa unit of length used for distances within the solar system
English > Astronomical Unit: 1 sense > noun 1, quantity
MeaningA unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers).
SynonymAU
Broaderastronomy unitA linear unit used for astronomical distances
SpanishUA, unidad astronómica
CatalanUA, unitat astronòmica

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