tetraethyl lead

/ˌˈtɛtrəˈɛθəl ˌlɛd/
IPA guide

Definitions of tetraethyl lead
  1. noun
    a clear oily poisonous liquid added to gasoline to prevent knocking
    synonyms: lead tetraethyl
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    type of:
    antiknock
    any of various compounds that are added to gasoline to reduce engine knocking
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