biostratigraphy

bi o stra tig ra phy |ˌbīōstrəˈtigrəfē ˌbaɪoʊstrəˈtɪɡrəfi | ▶noun the branch of stratigraphy concerned with fossils and their use in dating rock formations. DERIVATIVES bi o stra tig ra pher |-fər |noun, bi o strat i graph ic |-ˌstratiˈgrafik |adjective, bi o strat i graph i cal |-ˌstratiˈgrafikəl |adjective, bi o strat i graph i cal ly adverb

biostratigraphy

biostratigraphy |ˌbʌɪə (ʊ )strəˈtɪgrəfi | ▶noun [ mass noun ] the branch of stratigraphy concerned with fossils and their use in dating rock formations. DERIVATIVES biostratigrapher noun, biostratigraphic adjective |-ˌstratɪˈgrafɪk |, biostratigraphical adjective |-ˌstratɪˈgrafɪk (ə )l |, biostratigraphically adverb |-ˌstratɪˈgrafɪk (ə )li |