phthalin (countable and uncountable, plural phthalins)
(chemistry) A colourless crystalline substance obtained by reduction from phthalein, into which it is easily converted by oxidation.
(chemistry) Any of the series of which phthalin proper is the type.
Source: Wiktionary
Phthal"in, n. (Chem.)
Definition: A colorless crystalline substance obtained by reduction from phthaleïn, into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the type.
Source: Webster’s Unabridged Dictionary 1913 Edition
9 June 2025
(noun) one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made
Espresso is both a coffee beverage and a brewing method that originated in Italy. When making an espresso, a small amount of nearly boiling water under pressure forces through finely-ground coffee beans. It has more caffeine per unit volume than most coffee beverages. Its smaller serving size will take three shots to equal a mug of standard brewed coffee.
