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colchicine

American  
[kol-chuh-seen, -sin, kol-kuh-] / ˈkɒl tʃəˌsin, -sɪn, ˈkɒl kə- /

noun

Pharmacology.
  1. a pale yellow, crystalline alkaloid, C 22 H 25 NO 6 , the active principle of colchicum.


colchicine British  
/ -sɪn, ˈkɒltʃɪˌsiːn, ˈkɒlkɪ- /

noun

  1. a pale-yellow crystalline alkaloid extracted from seeds or corms of the autumn crocus. It is used in the treatment of gout and to create polyploid plants by inhibiting chromosome separation during meiosis. Formula: C 22 H 25 NO 6

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of colchicine

First recorded in 1850–55; colchic(um) + -ine 2

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.

See Examples For:

People taking low-dose colchicine experienced fewer heart attacks and strokes overall.

From Science Daily Nov. 12, 2025

Colchicum corms contain colchicine, a powerful alkaloid that’s been used in pharmaceuticals for years.

From Seattle Times Oct. 28, 2023

After Ms. Bowman’s death, investigators collected information about Dr. Bowman’s internet searches, including research they said he had done earlier in August into the drug colchicine, which is used to treat gout.

From New York Times Oct. 25, 2023

Likewise, the WHO recently recommended against using the gout drug colchicine or fluvoxamine for non-severe COVID-191.

From Scientific American Jul. 20, 2022

At present this otherwise excellent preparation is not standardized, but the suggestion has been made that it should be standardized to contain 0.1% of colchicine.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" by Various

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