propenal, acrolein
(noun) a pungent colorless unsaturated liquid aldehyde made from propene
Source: WordNet® 3.1
acrolein (countable and uncountable, plural acroleins)
(organic compound) A pungent, acrid, poisonous liquid aldehyde, CH2=CH-CH=O, made by the destructive distillation of glycerol.
• acrylaldehyde
• propenal
• Caroline, Coraline, Cornelia, Creolian, caroline, colinear, lonicera
Source: Wiktionary
A*cro"le*in, n. Etym: [L. acer sharp + olere to smell.] (Chem.)
Definition: A limpid, colorless, highly volatile liquid, obtained by the dehydration of glycerin, or the destructive distillation of neutral fats containing glycerin. Its vapors are intensely irritating. Watts.
Source: Webster’s Unabridged Dictionary 1913 Edition
6 May 2025
(adjective) marked by or paying little heed or attention; “We have always known that heedless self-interest was bad morals; we know now that it is bad economics”--Franklin D. Roosevelt; “heedless of danger”; “heedless of the child’s crying”
According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.
