Entry 1 sense Webster, 1913 Biostatistics /bīˌ-ōs-tät-ĭs'-tĭksˌ/ · Bi·o·sta·tis·tics · IPA /bˌaɪoʊstɑtˈɪstˌɪks/ 01 n. Vital statistics. 1. Vital statistics.(Biol.)