How to say "aluminum" in Japanese

Choosing the right word

アルミJLPT N1approx.Common
nounThe abbreviated form of アルミニウム; this is the word for the metal in everyday speech, as when talking about foil, cans, or window frames.
ずらりと並ならんだアルミのポットやなべ。↗
A battery of aluminum pots and pans.
アルミニウムCommon
nounThe full name of the element aluminium (Al); the form you meet in scientific and technical writing, and the one to use when the complete name is wanted rather than the abbreviation.
アルミニウム、マグネシウム、シリコンなどの粉末ふんまつが爆発ばくはつする。↗
Powders of aluminium, magnesium, silicon, etc. explode.

Both words mean the metal aluminium: 「アルミニウム」 is the full element name (Al), the form used in scientific and technical contexts, while 「アルミ」 is its abbreviation, the everyday word for the metal in foil, cans, and the like.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents

アルミaluminum
アルミニウムaluminium (Al)
ニュームaluminum

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