Definition of capsaicin in English:

Share this entry


Pronunciation: /kapˈseɪɪsɪn/


[mass 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.


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

For editors and proofreaders

Line breaks: cap|sa¦icin

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.