Dictionary.com
Thesaurus.com

atrichia

American  
[ey-trik-ee-uh, uh-trik-] / eɪˈtrɪk i ə, əˈtrɪk- /
Also atrichosis

noun

Medicine/Medical.
  1. congenital absence or loss of hair.


Etymology

Origin of atrichia

From New Latin; a- 6, trich-, -ia