Definition of vaping in English:

vaping

noun

mass noun
  • The action or practice of inhaling and exhaling the vapour produced by an electronic cigarette or similar device.

    ‘there is concern that young people may take up vaping as a less harmful alternative to smoking’
    as modifier ‘an online forum for vaping enthusiasts’

Origin

1980s (in reference to the use of an experimental ‘non-combustible’ cigarette): from vapour or vaporize.

Pronunciation

vaping

/ˈveɪpɪŋ/