Tetraethyllead
or tetraethyl lead
[te-truh-eth-uh l-led] /ˌtɛ trəˌɛθ əlˈlɛd/
noun, Chemistry.
1.
a colorless, oily, water-insoluble, poisonous liquid, (C 2 H 5) 4 Pb, used as an antiknock agent in gasoline.
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noun, Chemistry. 1. a colorless to amber, hygroscopic, poisonous liquid, (C 2 H 5) 4 P 2 O 7 , used as an insecticide and as a rodenticide. tetraethyl pyrophosphate n. TEPP.
- Tetrafluoride
[te-truh-floo r-ahyd, -flawr-, -flohr-] /ˌtɛ trəˈflʊər aɪd, -ˈflɔr-, -ˈfloʊr-/ noun, Chemistry. 1. a fluoride containing four fluorine atoms.
- Tetrafluoroethene
/ˈtɛtrəˌflʊərəʊˈɛθiːn/ noun 1. (chem) a dense colourless gas that is polymerized to make polytetrafluorethene (PTFE). Formula: F2C:CF2 Also called tetrafluoroethylene
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[te-truh-floo r-oh-eth-uh-leen, -flawr-, -flohr-] /ˌtɛ trəˌflʊər oʊˈɛθ əˌlin, -ˌflɔr-, -ˌfloʊr-/ noun, Chemistry. 1. a colorless, water-insoluble, flammable gas, C 2 F 4 , used in the synthesis of certain polymeric resins, as Teflon.
- Tetrafunctional
[te-truh-fuhngk-shuh-nl] /ˌtɛ trəˈfʌŋk ʃə nl/ adjective, Chemistry. 1. pertaining to molecules or groups that can bond at four sites.