[ uh-tee-lee-oh-sis, uh-tel-ee- ]
/ əˌti liˈoʊ sɪs, əˌtɛl i- /

noun Pathology.

a form of infantilism caused by pituitary malfunction, characterized by a childish face and voice and associated physical underdevelopment, but not affecting intelligence.

Origin of ateliosis

1900–05; < Greek ateleí(a) imperfection, incompletion (see a-6, tele-2, -ia) + -osis

Related forms

a·tel·i·ot·ic [uh-tel-ee-ot-ik] /əˌtɛl iˈɒt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for ateliosis


[ ə-tē′lē-ōsĭs, ə-tĕl′ē- ]


Incomplete development of the body or any of its parts, as in infantilism and dwarfism.atelia

Related forms

a•te′li•otic (-ŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.