fertility rate fertility drug • fertilizable · · · Info · Definitions · Synonyms · Characters · · fertility rate · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) the ratio of live births in an area to the population of that area; expressed per 1000 population per year. Synonyms: birthrate, birth rate, fertility, fertility rate, natality. · · Noun Definition 1 Synonyms · · · birthrate · · Synonym 1 birth rate · · Synonym 2 fertility · · Synonym 3 natality · · Synonym 4 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079