Meanings
nountetraethylammonium (countable and uncountable, plural tetraethylammoniums, abbreviation TEA)
plural tetraethylammoniums · abbreviation TEA · alternative tetrylammonium
- countableespeciallyin compoundsuncountablechemistryA quaternary ammonium ion (C₂H₅)₄N⁺ containing four ethyl groups.
Origin
From tetra- (“four”) + ethyl + ammonium.
Full word history & related roots →Cite this entry
APA
tetraethylammonium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/tetraethylammonium
MLA
“tetraethylammonium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tetraethylammonium. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “tetraethylammonium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/tetraethylammonium.
Source: tetraethylammonium on Wiktionary, CC BY-SA 4.0.