Found 2 items, similar to au.
English → English (WordNet) Definition: Au Au n 1: a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia [syn: gold, atomic number 79] 2: 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]
English → English (gcide) Definition: au au \a.u.\ n. 1. (Astron.) the unit of length equal to the mean distance of the Earth from the sun, about 93 million miles (150 million kiometers); -- used almost exclusively in astronomy, or to describe astronomical distances. Syn: astronomical unit, AU, A.U. [WordNet 1.5]