Apedia

Acro·Le·In Noun Scientific Vocabulary  Latin  Acr Smell At 

Title Acrolein
Text
Merriam-Webster's Collegiate Dictionary
acro·le·in
 \\ə-ˈkrō-lē-ən\\ noun
 ETYMOLOGY  International Scientific Vocabulary acr- (from Latin acr-, acer) + Latin olēre to smell — more at 
odor
 DATE  circa 1857
: a colorless irritant pungent liquid aldehyde C3H4O used chiefly in organic synthesis
Webster's Third New International Dictionary, Unabridged
acro·le·in
\əˈkrōlēə̇n\ noun
(-s)
Etymology: Latin acr-, ocer sharp + olēre to smell + International Scientific Vocabulary -in — more at 
edge
odor

: a toxic colorless mobile liquid aldehyde CH2 = CHCHO with acrid odor and irritating vapors that is obtained by dehydration of glycerol, by destructive distillation of fats, or by oxidation of allyl alcohol, that polymerizes readily into resins, and that is used chiefly in organic synthesis (as of methionine) — called also acrylaldehyde

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