Submitted by admin on Sat, 05/17/2014 - 18:32
definition:
(Of an organ or part of the body) degenerate, rudimentary, or atrophied, having become functionless in the course of evolution:
sentence:
The belief that wisdom teeth are vestigial organs that lack a function in the body (as was previously believed for the appendix), is less common today but still evident.
difficulty:
hard
toefl frequency:
1
toefl classification: