tetrahydrofuran (countable and uncountable, plural tetrahydrofurans)
(organic compound) A heterocyclic ether having a five-membered ring with four carbon atoms and one oxygen; it is a colourless liquid with an ether-like smell, and is used as a polar solvent.
• oxolane
• oxacyclopentane
• THF
Source: Wiktionary
23 February 2025
(noun) an advantageous purchase; “she got a bargain at the auction”; “the stock was a real buy at that price”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
