estro-

== English == === Alternative forms === estr- (before a vowel) oestro-, oestr- (UK) === Etymology === From estrus +‎ -o-. === Pronunciation === (General American) IPA(key): /ɛ.stɹoʊ/, /ɛ.stɹə/ === Prefix === estro- (biology) Estrus. ==== Derived terms ==== === References === “estr-”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. === Anagrams === store, torse, resto, tores, toers, roset, Soter, Resto, sorte, rotes, Oster