Au

Periodic table gold

Au is an abbreviation with several meanings depending on context.

In astronomy, AU stands for astronomical unit—the average distance from Earth to the Sun, about 93 million miles: Neptune orbits at roughly 30 AU from the Sun.

AU also abbreviates African Union, the continental organization of African nations, and is the internet country code for Australia. (Lowercase au is the chemical symbol for gold or a French preposition.)

metal

nugget

Small solid lump

placer · karat · purity · assay · smelting · refinery · alloying · casting · malleability · ductility

jewelry

necklace

Neck-worn ornament

ring · brooch · chain · bangle · cufflinks · filigree · hallmark · karat · white gold · rose gold

element

gold

Element seventy-nine

electrons · neutrons · isotopes · valence electrons · atomic mass · chemistry · noble metals · reactivity · aurum · Pb

symbolism

alchemy

Mystical metal transformation

divinity · royalty · heraldry · golden · achievement · medal · trophy · first place · excellence · prestige

investment

bullion

Precious metal in bulk

standard · commodity · hedge · inflation · portfolio · trading · spot price · futures · ETF · vault

mining

prospector

One seeking valuable deposits

goldrush · flecks · vein · deposit · extraction · dredging · sluice · claim · strike · Klondike

abbreviation

African Union

Continental intergovernmental organization

astronomy

astronomical unit

Earth-to-Sun distance standard

Neptune · solar system · light-year · parsec · space · measurement

Phrases
Family

aurora, aura, auric

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Concrete · Rated G