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.

synonyms: atomic number 79, gold.

Dutch: goud

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).

synonym: Astronomical Unit.

Dutch: astronomische eenheid, AE
Polish: AU, au, j.a., jednostka astronomiczna