emodin

noun

em·​o·​din ˈe-mə-dən How to pronounce emodin (audio)
: an orange crystalline phenolic compound C15H10O5 that is obtained from plants (such as rhubarb and cascara buckthorn) and is used as a laxative

Examples of emodin in a Sentence

Recent Examples on the Web
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Bioactive substances in aloe vera, including aloe emodin and salicylic acid, have known antioxidant, anti-inflammatory, antifungal, and immunity-enhancing properties that may be useful for treating psoriasis.18 These substances may improve redness and scaling associated with psoriasis. Brittany Lubeck, Verywell Health, 2 June 2025

Word History

Etymology

International Scientific Vocabulary emodi- (from New Latin Rheum emodi, species of rhubarb) + -in entry 1

First Known Use

1858, in the meaning defined above

Time Traveler
The first known use of emodin was in 1858

Browse Nearby Words

Cite this Entry

“Emodin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emodin. Accessed 10 Sep. 2025.

Medical Definition

emodin

noun
em·​o·​din ˈem-ə-dən How to pronounce emodin (audio)
: an orange crystalline phenolic compound C15H10O5 that is obtained from plants (as rhubarb and cascara buckthorn) and is used as a laxative
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