sidestream

adjective side·stream \ ˈsīd-ˌstrēm \

Definition of sidestream

: relating to or being tobacco smoke that is emitted from the lighted end of a cigarette or cigar

First Known Use of sidestream

1951

in the meaning defined above

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Medical Dictionary

sidestream

adjective side·stream \ ˈsīd-ˌstrēm \

medical Definition of sidestream

: relating to or being tobacco smoke that is emitted from the lit end of a cigarette or cigar — compare mainstream

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