birthrate birth prevention • birth rate · · · Info · Definitions · Synonyms · Characters · · birthrate · · Text Latin · · Script 9 · · Length 2 · · Syllables Definitions · · · (noun) the ratio of live births in an area to the population of that area; expressed per 1000 population per year. Synonyms: birth rate, fertility, fertility rate, natality. · · Noun Definition 1 Synonyms · · · birth rate · · Synonym 1 fertility · · Synonym 2 fertility rate · · Synonym 3 natality · · Synonym 4 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 r latin small letter r U+0072 t latin small letter t U+0074