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1. The sense of smell. SYN: smell (2). 2. The act of smelling. SYN: osmesis, osphresis. [L. ol- facio, pp. -factus, to smell]
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ol·fac·tion äl-'fak-shən, ōl- n
1) the sense of smell
2) the act or process of smelling
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n.
1. the sense of smell.
2. the process of smelling. Sensory cells in the mucous membrane that lines the nasal cavity are stimulated by the presence of chemical particles dissolved in the mucus. See nose.
• olfactory adj.
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ol·fac·tion (ol-fakґshən) [L. olfacere to smell] 1. the sense of smell; the ability to perceive and distinguish odors. 2. the act of perceiving and distinguishing odors.Medical dictionary. 2011.