oestrogen oestriol • oestroid · · · Info · Definitions · Synonyms · Characters · · oestrogen · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics. Synonyms: estrogen. · · Noun Definition 1 Synonyms · · · estrogen · · Synonym 1 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074