Multiple instances or episodes of blowing, or plural of 'blowing' as a noun referring to the action or process.
From 'blow' + '-ing' (gerund/present participle) + '-s' (plural). 'Blow' comes from Old English 'blawan,' meaning to move air.
In glassblowing, 'blowings' would refer to each individual glass-forming breath—craftspeople count their blowings the way musicians count their breaths!
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