second-order C2 Topic:Mathematics & Measurement US /ˌsɛkəndˈɔrdər/ UK /ˌsɛkəndˈɔːdə/ See IPA manual Meanings 1 adj belonging to the second level or order; in logic, quantifying over predicates or sets The proof uses a second-order axiom. Thesaurus Synonyms 1 adj · belonging to the second... second-level ↔ Opposites first-order Word family Related forms orderlogic Etymology Compound of second + order. Topics Mathematics & Measurement External links Cambridge Dictionary Wiktionary Google Images # second-order **Type:** Word **Level:** C2 **Part of speech:** adj **IPA (US):** /ˌsɛkəndˈɔrdər/ **IPA (UK):** /ˌsɛkəndˈɔːdə/ ## Meanings 1. belonging to the second level or order; in logic, quantifying over predicates or sets ## Examples - The proof uses a second-order axiom. ## Synonyms - second-level ## Antonyms - first-order ## Related Forms - order - logic ## Etymology Compound of second + order. ## Topics - Mathematics & Measurement markdown