tetramethyllead

tet·ra·meth·yl·lead

T t

Definitions of tetramethyllead word

noun tetramethyllead a colorless liquid, (CH 3) 4 Pb, insoluble in water, slightly soluble in alcohol and benzene, used as an antiknock agent in gasoline. 1
noun tetramethyllead a volatile poisonous liquid formerly used as an antiknock agent 0

before 1960

One of the 3% newest English words

First recorded in 1960-65; tetra- + methyl + lead2

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 27% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

This diagram is provided by Google Ngram Viewer

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