Definition of Lethal

1. Adjective. Of an instrument of certain death. "A lethal injection"

Exact synonyms: Deadly
Similar to: Fatal
Derivative terms: Deadliness, Lethality

Definition of Lethal

1. n. One of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid. It is so called because it occurs in the ethereal salt of lauric acid.

2. a. Deadly; mortal; fatal.

Definition of Lethal

1. Adjective. deadly; mortal; fatal ¹

2. Noun. (chemistry) One of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid. ¹

¹ Source: wiktionary.com

Definition of Lethal

1. a death-causing genetic defect [n -S]

Medical Definition of Lethal

1. Deadly, fatal. Origin: L. Lethalis, from lethum = death This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Lethal

let the cat out of the bag
let the chips fall where they may
let the good times roll
let the perfect be the enemy of the good
let up
letcha
letched
letches
letching
letchings
letchy
letdown
letdowns
lethal agent
lethal coefficient
lethal dose
lethal dose 50
lethal dwarfism
lethal equivalent
lethal factor
lethal gene
lethal injection
lethal injections
lethal midline granuloma
lethal mutation
lethalities
lethality

Literary usage of Lethal

Below you will find example usage of this term as found in modern and/or classical literature:

1. Report of the Congressional Committees Investigating the Iran/Contra Affair by Lee H. Hamilton, Daniel K. Inouye (1995)
"Gross weight 7038 Ibs. lethal. Bad weather put flight on hold until 1600 lethal No drop zone contact lethal, no drops made. While over Costa Rica, ..."

2. Sex-linked Inheritance in Drosophila by Thomas Hunt Morgan, Calvin Blackman Bridges (1916)
"The linkage of this lethal (now called lethal i) to various other ... On the basis of these data it is found that the gen lethal i lies 0.4 unit to the left ..."

3. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1911)
"This makes the lethal dose for a man weighing 150 pounds 0.315 gram if based upon the results in the rabbits, or 1.05 gram if based upon the lethal dose for ..."

4. The Journal of Experimental Medicine by Rockefeller University, Rockefeller Institute, Rockefeller Institute for Medical Research (1908)
"0.03 grm. Maximum Dose ............................ o.oi grm. Sodium Salicylate. lethal Dose ........ ... ................... 0.035 grm- Maximum Dose . ..."

5. Principles of Immunology by Howard Thomas Karsner, Enrique Eduardo Ecker (1921)
"INJECTION SCHEME FOR PRODUCTION OF DIPHTHERIA ANTITOXIN July 22 6000 units antitoxin 25 400 minimum lethal doses of toxin (see page 45) 27 ..."

6. The Journal of Heredity by American Genetic Association (1917)
"The lethal Factor in Yellow Mice Yellow mice are familiar to fanciers, but none has been found which breeds true. This has been explained by the assumption ..."

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