AMMONIUM

ammonium, ammonium ion

(noun) the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion

Source: WordNet® 3.1


Etymology

Noun

ammonium (usually uncountable, plural ammoniums)

(inorganic chemistry) The univalent NH4+ cation, derived by the protonation of ammonia

(organic chemistry, especially in combination) Any similar cation formed by replacing one or more hydrogen atoms with alkyl or aryl radicals

Source: Wiktionary


Am*mo"ni*um, n. Etym: [See Ammonia.] (Chem.)

Definition: A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

3 May 2025

DESIRABLE

(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”


coffee icon

Coffee Trivia

You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.

coffee icon