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Use "off-gassing" in a sentence
"Store-bought vinyl Halloween costumes and masks smell chemical-y because they're actually off-gassing toxic chemicals -- like phthalates, which have been linked to ADHD and feminized genitalia in baby boys."
"I am not saying I know the solution, because if you used fake feathers they would probably be off-gassing toxic cancer-causing plastic, right?"
"I used balloons for the off-gassing of the fermentation process and the wine ended up tasting like latex."