• word of the day

    guide fossil

    guide fossil - Dictionary definition and meaning for word guide fossil

    Definition
    (noun) a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found
    Synonyms : index fossil

Word used in video below:
text: fossil what's a fossil a fossil
Download our Mobile App Today
Receive our word of the day
on Whatsapp