aldehyde
(noun) any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids
Source: WordNet® 3.1
aldehyde (plural aldehydes)
(organic compound) Any of a large class of reactive organic compounds (R·CHO) having a carbonyl functional group attached to one hydrocarbon radical and a hydrogen atom.
• headedly
Source: Wiktionary
Al"de*hyde, n. Etym: [Abbrev. fr. alcohol dehydrogenatum, alcohol deprived of its hydrogen.] (Chem.)
Definition: A colorless, mobile, and very volatile liquid obtained from alcohol by certain of oxidation.
Note: The aldehydes are intermediate between the alcohols and acids, and differ from the alcohols in having two less hydrogen atoms in the molecule, as common aldehyde (called also acetic aldehyde or ethyl aldehyde), C2H4O; methyl aldehyde, CH2O. Aldehyde ammonia (Chem.), a compound formed by the union of aldehyde with ammonia.
Source: Webster’s Unabridged Dictionary 1913 Edition
24 November 2024
(noun) a person (usually but not necessarily a woman) who is thoroughly disliked; “she said her son thought Hillary was a bitch”
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
