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Definitions

olfactory

[ol-fak-tuh-ree, -tree, ohl-] / ɒlˈfæk tə ri, -tri, oʊl- /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Mice have about 20 million olfactory neurons, each expressing one of more than a thousand receptor types.

From Science Daily • Apr. 30, 2026

According to the researchers, smell-related problems arise when immune cells in the brain, known as "microglia," begin removing connections between two important regions: the olfactory bulb and the locus coeruleus.

From Science Daily • Apr. 11, 2026

The initial goal is to create a diagnostic test to measure olfactory loss—a marker of Covid-19 and other conditions.

From The Wall Street Journal • Mar. 17, 2026

Each fragrance is infused with three natural ingredients — the synthetic molecules of aldehydes, alcohol from upcycled carbon emissions and water — to reach the “highest degree of olfactory clarity and expression.”

From Los Angeles Times • Mar. 3, 2025

Training of cells for olfactory sensing appears to be an everyday phenomenon.

From "The Lives of a Cell" by Lewis Thomas




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