noun mi·cro·fos·sil \ˌmī-krō-ˈfä-səl\

Definition of MICROFOSSIL

:  a small fossil that typically can be studied only microscopically and that may be either a fragment of a larger organism or an entire minute organism

First Known Use of MICROFOSSIL



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July 01, 2015
precarious Hear it
not certain, secure, or steady
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