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Noun odor has 2 senses
olfactory property, smell, aroma, odor, odour, scent - any property detected by the olfactory system--1 is a kind of property
 --1 has particulars:
smell, odor, odour, olfactory sensation, olfactory perception - the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form; "she loved the smell of roses"--2 is a kind of sensation, sense experience, sense impression, sense datum
 --2 has particulars:
 |  | scent; aroma, fragrance, perfume, scent; malodor, malodour, stench, stink, reek, fetor, foetor, mephitis; acridity | 
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