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lethality

 - 4 dictionary results

le⋅thal

[lee-thuhl]
–adjective
1. of, pertaining to, or causing death; deadly; fatal: a lethal weapon; a lethal dose.
2. made to cause death: a lethal chamber; a lethal attack.
3. causing great harm or destruction: The disclosures were lethal to his candidacy.

Origin:
1575–85; < L lētālis, equiv. to lēt(um) death + -ālis -al 1 ; sp. (hence pron.) with -h- by assoc. with Gk lthē oblivion


le⋅thal⋅i⋅ty, le⋅thal⋅ness, noun
le⋅thal⋅ly, adverb


1. See fatal.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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le·thal   (lē'thəl)   
adj.  
  1. Capable of causing death.

  2. Of, relating to, or causing death. See Synonyms at fatal.

  3. Extremely harmful; devastating: accusations lethal to the candidate's image.


[Late Latin lēthālis, alteration (probably influenced by Lēthē, Lethe) of Latin lētālis, from lētum, death.]
le·thal'i·ty (lē-thāl'ĭ-tē) n., le'thal·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: 2lethal
Function: noun
1 : an abnormality of genetic origin causing the death of the organism possessing it usually before maturity
2 : LETHAL GENE
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

lethal le·thal (lē'thəl)
adj.

  1. Capable of causing death.

  2. Of, relating to, or causing death.

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