| a stew of meat, vegetables, potatoes, etc. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| au | |
| —the internet domain name for | |
| Australia | |
| Au | |
| —the chemical symbol for | |
| gold | |
| [from New Latin aurum] | |
| AU | |
| —abbreviation for | |
| 1. | African Union |
| 2. | Also: a.u. angstrom unit |
| 3. | Also: a.u. astronomical unit |
Au
The symbol for the element gold.
AU abbr.
Latin auris utraque (each ear)
| Au
The symbol for gold. |
| AU
Abbreviation of astronomical unit |
| gold (gōld) Pronunciation Key
Symbol Au 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. |
| Au gold |
| AU astronomical unit |
| a.u. angstrom unit |
| A.U. Latin auris uterque (each ear, both ears) |