quaternary /BrE kwəˈtəːn(ə)ri 
, AmE ˈkwɑdərˌnɛri /
A
noun
1 Mathematics quatre m; (set) ensemble m
2 Geology
the Quaternary le quaternaire
B
adjective
Chemistry, Geology quaternaire
quaternary
English → French
Oxford English–FrenchEnglish → FrenchOxford English–French