alkalis
plural of alkali
Source: Wiktionary
Al"ka*li, n.; pl. Alkalis or Alkalies. Etym: [F. alcali, ultimately fr. Ar. alqali ashes of the plant saltwort, fr. qalay to roast in a pan, fry.]
1. Soda ash; caustic soda, caustic potash, etc.
2. (Chem.)
Definition: One of a class of caustic bases, such as soda, potash, ammoma, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue. Fixed alkalies, potash and soda.
– Vegetable alkalies. Same as Alkaloids.
– Volatile alkali, ammonia, so called in distinction from the fixed alkalies.
Source: Webster’s Unabridged Dictionary 1913 Edition
5 May 2025
(adjective) not developed, improved, exploited or used; “vast unexploited (or undeveloped) natural resources”; “taxes on undeveloped lots are low”
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.
