polyacid (plural polyacids)
(chemistry) Any polybasic acid
polyacid (not comparable)
(chemistry, of a base) polybasic
• polyadic
Source: Wiktionary
Pol`y*ac"id, a. Etym: [Poly- + acid.] (Chem.)
Definition: Capable of neutralizing, or of combining with, several molecules of a monobasic acid; having more than one hydrogen atom capable of being replaced by acid radicals; -- said of certain bases; as, calcium hydrate and glycerin are polyacid bases.
Source: Webster’s Unabridged Dictionary 1913 Edition
17 June 2025
(adjective) having deserted a cause or principle; “some provinces had proved recreant”; “renegade supporters of the usurper”
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.
