D defs.my
Entry 1 sense Webster, 1913

Paleontology

/(pā`lē̇*ŏn*tŏl"ō̇*jy̆)/ · Pa·le·on·tol·o·gy · IPA /ˌpeɪli.ənˈtɑləd͡ʒi/
01 n. The science which treats of the ancient life of the earth, or of fossils which are the remains of such life.
  1. 1.
    The science which treats of the ancient life of the earth, or of fossils which are the remains of such life.