An American spelling term for a product, device, or substance that removes or masks odors.
From deodorize + -er (agent noun suffix meaning something that performs an action). Established in American English in the early 1900s as commercial chemistry products proliferated.
A 'deodorizer' often contains chemicals like activated charcoal (which actually absorbs odors) or fragrances (which mask them)—the term conveniently lumps together completely different mechanisms under one marketable word.
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