These scented formats are made with a variety of fragrance products such as: Scented Coatings that emit scent automatically, Scratch & Sniff (Rub & Smell) which needs activation, scented stickers/labels, and Snap & Burst flap formats that you normally see used for fragrance Ads in magazines.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  prewash(Noun) A quick rinse given to objects before they are washed properly. 2  prewash(Verb) To rinse something before washing it properly.
What is backwash? Backwash can be either overt or covert Overt: âthe use of past papers and test-like material and test techniquesâ Covert: âteachers treat the textbook and all material like a testbook and behave as if they were testing rather than teachingâ