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capsaicin

Syllabification: cap·sa·i·cin
Pronunciation: /kapˈsāəsən
 
/

Definition of capsaicin in English:

noun

Chemistry
A compound that is responsible for the pungency of capsicums.
Example sentences
  • What was known was that certain types of nerve endings responded to capsaicin by allowing calcium ions to flow into the cell.
  • What you were up against was the awesome power of a chemical known as capsaicin, an odorless, flavorless substance present in chili peppers.
  • Although capsaicin causes respiratory problems, the researchers did not find evidence of any unique metabolites in lung microsomes.

Origin

late 19th century: alteration of capsicine, the name of a substance formerly thought to have the same property.

Definition of capsaicin in:

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