breathing, external respiration, respiration, ventilation - the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation

puffing - blowing tobacco smoke out into the air; "they smoked up the room with their ceaseless puffing"

drag, pull, puff - a slow inhalation (as of tobacco smoke); "he took a puff on his pipe"; "he took a drag on his cigarette and expelled the smoke slowly"

evaporation, vaporisation, vaporization, vapour, vapor - the process of becoming a vapor

smoky - marked by or emitting or filled with smoke; "smoky rafters"; "smoky chimneys"; "a smoky fireplace"; "a smoky corridor"