estradiol estrade • estradiot · · · Info · Definitions · Synonyms · Characters · · estradiol · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the most powerful female hormone that occurs naturally; synthesized and used to treat estrogen deficiency and breast cancer. Synonyms: oestradiol. · · Noun Definition 1 Synonyms · · · oestradiol · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C 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