Is « acier » masculine or feminine?

« acier » is masculine. You say l'acier.

Article forms

With the definite article l'acier
With the indefinite article un acier
With the partitive article de l'acier

Plural

The plural is aciers (les aciers). A noun keeps its gender in the plural; only the article stops showing it.

Why the gender

acier ends in -ier. Nouns ending in -ier are usually masculine, so acier follows the pattern. The full rules by ending cover every common suffix.

Related words

Other common nouns that end the same way:

Common questions

Is « acier » masculine or feminine?

« acier » is masculine. You say l'acier.

« l'acier » hides the gender. Is « acier » masculine or feminine?

It is masculine. The article shortens to « l'acier » for both genders, but you say un acier, not une acier, and adjectives take the masculine form.


Check another word, or read the complete guide to French noun gender.