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[lee-uh n-tahy-uh-sis] /ˌli ənˈtaɪ ə sɪs/
noun, Pathology.
a lionlike facial distortion.
Also called leontiasis ossea
[os-ee-uh] /ˈɒs i ə/ (Show IPA)
. an overgrowth of the cranial and facial bones resulting in a lionlike appearance.
Origin of leontiasis
< Greek leont-, stem of léōn lion + -iasis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Historical Examples
  • The disease was called "leontiasis," and consisted of an enormous over-development of bone and skin on one side.

    A Labrador Doctor Wilfred Thomason Grenfell
leontiasis in Medicine

leontiasis le·on·ti·a·sis (lē'ən-tī'ə-sĭs)
The ridges and furrows on the forehead and cheeks of patients who have advanced lepromatous leprosy, giving a leonine appearance. Also called leonine facies.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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