acetylene, ethyne, alkyne
(noun) a colorless flammable gas used chiefly in welding and in organic synthesis
Source: WordNet® 3.1
acetylene (countable and uncountable, plural acetylenes)
(organic chemistry, countable) Any organic compound having one or more carbon–carbon triple bonds; an alkyne.
(organic compound, uncountable) Ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH. It is a colourless, odorless gas, formerly used as an illuminating gas, but now used in welding or metallurgy.
A lamp powered by acetylene, particularly a motor vehicle headlight.
• (IUPAC name): ethyne
Source: Wiktionary
A*cet"y*lene, n. (Chem.)
Definition: A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant. Watts.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 April 2025
(adjective) made smooth and bright by or as if by rubbing; reflecting a sheen or glow; “bright silver candlesticks”; “a burnished brass knocker”; “she brushed her hair until it fell in lustrous auburn waves”; “rows of shining glasses”; “shiny black patents”
The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.
