cycloheximide

noun

: 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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Their evidence for this comes from an experiment in rats given cycloheximide, an amnestic drug that works by blocking protein synthesis. — 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 27 Sep. 2026.

Medical Definition

cycloheximide

noun
: an agricultural fungicide C15H23NO4 that is obtained from a soil bacterium of the genus Streptomyces (S. griseus)
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