WordReference Random House Unabridged Dictionary of American English © 2026
pa•le•o•zo•ol•o•gy
(pā′lē ō zō ol′ə jē or, esp. Brit., pal′ē-),USA pronunciation n.
pa•le•o•zo•o•log•i•cal
(pā′lē ō zō′ə loj′i kəl or, esp. Brit., pal′ē-),USA pronunciation pa′le•o•zo′o•log′ic, adj.
pa′le•o•zo•ol′o•gist, n.
- Paleontologythe branch of paleontology dealing with fossil animals.
- 1855–60; paleo- + zoology
'paleozoological' also found in these entries (note: many are not synonyms or translations):