cycloheximide

noun

cy·​clo·​hex·​i·​mide ˌsī-klō-ˈhek-sə-ˌmīd How to pronounce cycloheximide (audio)
-məd
: an agricultural fungicide C15H23NO4 that inhibits protein synthesis and is obtained from a soil bacterium (Streptomyces griseus)

Examples of cycloheximide in a Sentence

Recent Examples on the Web
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However, giving a second dose of cycloheximide before recall fully reversed the effect (green)! Neuroskeptic, Discover Magazine, 22 Sep. 2015

Word History

Etymology

cyclohexane + imide

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of cycloheximide was in 1950

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Cite this Entry

“Cycloheximide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cycloheximide. Accessed 9 Sep. 2025.

Medical Definition

cycloheximide

noun
cy·​clo·​hex·​i·​mide -ˈhek-sə-ˌmīd, -məd How to pronounce cycloheximide (audio)
: an agricultural fungicide C15H23NO4 that is obtained from a soil bacterium of the genus Streptomyces (S. griseus)
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