English dictionary
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English noun: Au | |||
| 1. | Au (substance) 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 | ||
| Broader (hypernym) | noble metal | ||
| Narrower (hyponym) | 24-karat gold, gold dust, green gold, guinea gold, pure gold | ||
| Substance meronym | dental gold, gold, gold foil, gold leaf, graphic tellurium, sylvanite | ||
| 2. | AU (quantity) 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) | ||
| Synonyms | Astronomical Unit | ||
| Broader (hypernym) | astronomy unit | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk