noun, masculine/a.sje/plural: aciers
steel
Related: acier inoxydable
Inherited from Old French acier, acer, from Late Latin aciārium, from Latin acies, from Proto-Indo-European *h₂eḱ- (“sharp, pointed”). Compare Catalan acer, Galician aceiro, Italian acciaio, Occitan acièr, Portuguese aço, Spanish acero.