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Webster 1913 Edition


Lethal

Leth′al

(lĕth′ăl)
,
Noun.
[
L
auric +
eth
er +
al
cohol.]
(Chem.)
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.

Le′thal

(lē′thal)
,
Adj.
[L.
lethalis
,
letalis
, fr.
lethum
,
letum
, death: cf. F.
léthal
.]
Deadly; mortal; fatal.
“The lethal blow.”
W. Richardson.
Le′thal-ly
,
adv.

Webster 1828 Edition


Lethal

LE'THAL

,
Adj.
[L. lethalis, mortal, from Gr. oblivion.] Deadly; mortal; fatal.

Definition 2024


lethal

lethal

English

Adjective

lethal (comparative more lethal, superlative most lethal)

  1. Deadly; mortal; fatal.
    • 2013 July 20, Old soldiers?”, in The Economist, volume 408, number 8845:
      Whether modern, industrial man is less or more warlike than his hunter-gatherer ancestors is impossible to determine. The machine gun is so much more lethal than the bow and arrow that comparisons are meaningless.
Related terms
Translations

Etymology 2

Abbreviation of “lauric acid ethereal salt”, so called because it occurs in the ethereal salt of lauric acid.

Noun

lethal (uncountable)

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