plural aux [oh] /oʊ/. French.
- to the; at the; with the.
- angstrom unit.
the internet domain name for
the chemical symbol for
- African Union
- Also: a.u. angstrom unit
- Also: a.u. astronomical unit
chemical symbol for “gold,” from Latin aurum “gold” (see aureate).
French, “at the, to the,” from Old French al, contraction of a le, with -l- softened to -u-, as also poudre from pulverem, chaud from calidus, etc. Used in many expressions in cookery, etc., which have crossed the Channel since 18c., e.g. au contraire, literally “on the contrary;” au gratin, literally “with scrapings;” au jus, literally “with the juice.”
- The symbol for the elementgold
- auris utraque (each ear)
- The symbol for gold.
- Abbreviation of astronomical unit
- A soft, shiny, yellow element that is the most malleable of all the metals. It occurs in veins and in alluvial deposits. Because it is very durable, resistant to corrosion, and a good conductor of heat and electricity, gold is used as a plated coating on electrical and mechanical components. It is also an international monetary standard and is used in jewelry and for decoration. Atomic number 79; atomic weight 196.967; melting point 1,063.0°C; boiling point 2,966.0°C; specific gravity 19.32; valence 1, 3. See Periodic Table. See Note at element.