URANIN

Etymology

Noun

uranin (uncountable)

(chemistry) An alkaline salt of fluorescein, used as a brownish-red dye.

Source: Wiktionary


U"ra*nin, n. (Chem.)

Definition: An alkaline salt of fluorescein, obtained as a brownish red substance, which is used as a dye; -- so called from the peculiar yellowish green fluorescence (resembling that of uranium glass) of its solutions. See Fluorescein.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

6 May 2025

HEEDLESS

(adjective) marked by or paying little heed or attention; “We have always known that heedless self-interest was bad morals; we know now that it is bad economics”--Franklin D. Roosevelt; “heedless of danger”; “heedless of the child’s crying”


coffee icon

Coffee Trivia

“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States

coffee icon