Search Result for "astronomical unit":
Wordnet 3.0

NOUN (1)

1. a 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);
[syn: Astronomical Unit, AU]



WordNet (r) 3.0 (2006):

Astronomical Unit
    n 1: a 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) [syn: Astronomical Unit, AU]