odorant

noun

odor·​ant ˈō-də-rənt How to pronounce odorant (audio)
: an odorous substance
especially : one added to a dangerous odorless substance to warn of its presence

Examples of odorant in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The researchers engineered some flies so that two types of light-sensitive ion channels were made in the antenna, allowing red and blue light to trigger the same nerve signals as an odorant would. John Timmer, ArsTechnica, 9 Apr. 2025 By building up a picture of how the odorant reacts at these different temperatures, the response curves can be plugged into a machine learning algorithm to spot the patterns that relate to a specific odor. IEEE Spectrum, 20 Nov. 2024 The amount and dynamics of this change are different for different combinations of odorants and sensor materials. IEEE Spectrum, 20 Nov. 2024 Remarkably, similar-smelling odorants appeared in clusters on the map—a feature prior odor maps couldn't achieve. Simon Makin, Scientific American, 10 Nov. 2023 See All Example Sentences for odorant

Word History

First Known Use

1860, in the meaning defined above

Time Traveler
The first known use of odorant was in 1860

Browse Nearby Words

Cite this Entry

“Odorant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/odorant. Accessed 16 Apr. 2025.

Medical Definition

odorant

noun
odor·​ant ˈōd-ə-rənt How to pronounce odorant (audio)
: an odorous substance
especially : one added to a toxic odorless substance to warn of its presence
Last Updated: - Updated example sentences
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