• synonyms


noun Pathology.
  1. any disease caused by a lack of vitamins.
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Origin of avitaminosis

First recorded in 1910–15; a-6 + vitamin + -osis
Related formsa·vi·ta·min·ot·ic [ey-vahy-tuh-muh-not-ik] /eɪˌvaɪ tə məˈnɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for avitaminosis


noun plural -ses (-siːz)
  1. any disease caused by a vitamin deficiency in the diet
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

avitaminosis in Medicine


  1. A disease, such as scurvy, beriberi, or pellagra, caused by deficiency of one or more essential vitamins.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.