Definition of glassine in US English:



  • usually as modifier A glossy transparent paper.

    ‘glassine envelopes’
    • ‘The tiny parcels of glassine paper that enfold the diamond morsels pass between pairs of traders, are examined, dismissed - considered.’
    • ‘The pavement was glassine and visibility was limited.’
    • ‘By the late 1960s, glassine bags had replaced capsules as the dominant packaging technique and heroin was available in a variety of sales units.’
    • ‘Snowflakes in glassine envelopes are pretty cute.’
    • ‘A small glassine bag drug dealers use to store crack, coke or heroin sat open and empty beneath a row of bushes.’
    • ‘The road petered out in a jumble of old crash-barriers and concrete dividers, littered now with cigarette and roach butts and the occasional glassine envelope emptied of cocaine.’


Early 20th century: from glass + -ine.