[ te-truh-floo r-oh-eth-uh-leen, -flawr-, -flohr- ]
/ ˌtɛ trəˌflʊər oʊˈɛθ əˌlin, -ˌflɔr-, -ˌfloʊr- /

noun Chemistry.

a colorless, water-insoluble, flammable gas, C2F4, used in the synthesis of certain polymeric resins, as Teflon.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Origin of tetrafluoroethylene

First recorded in 1930–35; tetra- + fluoro- + ethylene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020