biostratigraphyPronunciation: /ˌbʌɪə(ʊ)strəˈtɪgrəfi/Definition of biostratigraphy noun [mass noun] the branch of stratigraphy concerned with fossils and their use in dating rock formations. Derivatives biostratigrapher noun biostratigraphicPronunciation: /-ˌstratɪˈgrafɪk/ adjective biostratigraphicalPronunciation: /-ˌstratɪˈgrafɪk(ə)l/ adjective biostratigraphicallyPronunciation: /-ˌstratɪˈgrafɪk(ə)li/ adverb biostratigraphy in other Oxford dictionaries Definition of biostratigraphy in the US English dictionary
