au
[ oh ]
/ oʊ /
plural aux [oh] /oʊ/. French.
to the; at the; with the.
Compare
à la.
Words nearby au
Definition for au (2 of 4)
Origin of Au
From the Latin word
aurum
Definition for au (3 of 4)
Definition for au (4 of 4)
A.U.
or a.u.
angstrom unit.
Example sentences from the Web for au
British Dictionary definitions for au (1 of 3)
au
the internet domain name for
Australia
British Dictionary definitions for au (2 of 3)
Au
the chemical symbol for
gold
Word Origin for Au
from New Latin
aurum
British Dictionary definitions for au (3 of 3)
AU
abbreviation for
African Union
Also: a.u.
angstrom unit
Also: a.u.
astronomical unit
Medical definitions for au (1 of 2)
Au
The symbol for the elementgold
Medical definitions for au (2 of 2)
AU
abbr.
auris utraque (each ear)
Scientific definitions for au (1 of 3)
Au
The symbol for gold.
Scientific definitions for au (2 of 3)
AU
Abbreviation of astronomical unit
Scientific definitions for au (3 of 3)
gold
[ gōld ]
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.