tar

US /tɑ:r/

UK /tɑ:(r)/

B2
n. (u.)Uncountable NounBlack oily substance used to make roads
Do not touch tar on the road when it is hot
v.t.Transitive VerbTo cover or treat with a hot thick black liquid
After they tar the road it will be easier to drive on
n. (u.)Uncountable NounSticky substance formed in the lungs from smoking
You take in tar whenever you smoke

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