ossifier/ˈɒsɪfaɪə(ɹ)/EtymologyFrom ossify + -er.ossifier means one who, or that which, ossifies. Lexicurio rates it Sui generis — a strength score of 87 out of 100.ossifier is pronounced /ˈɒsɪfaɪə(ɹ)/.nounOne who, or that which, ossifies.