acetylene, ethyne, alkyne
(noun) a colorless flammable gas used chiefly in welding and in organic synthesis
Source: WordNet® 3.1
ethyne (plural ethynes)
(organic compound, official IUPAC name) The organic compound acetylene. The simplest alkyne, a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C2H2.
• acetylene
Source: Wiktionary
8 May 2025
(noun) the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
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.
