Definition of capsaicin in English:

capsaicin

Line breaks: cap|sa¦icin
Pronunciation: /kapˈseɪɪsɪn
 
/

noun

[mass noun] Chemistry
  • A compound that is responsible for the pungency of capsicums.
    • A cyclic amide; chemical formula: C18H27NO3
    More 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.

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