A a


    • US Pronunciation
    • US IPA
    • [ee-kwawr-in, ee-kwor-]
    • /iˈkwɔr ɪn, iˈkwɒr-/
    • US Pronunciation
    • US IPA
    • [ee-kwawr-in, ee-kwor-]
    • /iˈkwɔr ɪn, iˈkwɒr-/

Definitions of aequorin word

  • noun aequorin a protein obtained from marine organisms that emits blue light in the presence of calcium ions and is used to detect these ions in living tissue 3
  • noun aequorin a bioluminescent protein extracted from certain jellyfish that emits light when in contact with calcium or strontium ions: used in research to detect and locate calcium 3
  • noun aequorin a protein, secreted by certain jellyfish, that produces a blue light upon binding with calcium. 1
  • noun aequorin (biochemistry) A photoprotein, isolated from luminescent jellyfish and other marine organisms, composed of two distinct units: the apoprotein apoaequorin and the prosthetic group coelenterazine. 0

Information block about the term

Origin of aequorin

First appearance:

before 1965
One of the 2% newest English words
1965-70; < New Latin Aequor(ea) a genus of jellyfish that produces such a protein (Latin: feminine of aequoreus of the sea, equivalent to aequor level surface, the sea + -eus -eous) + -in2

Historical Comparancy

Parts of speech for Aequorin


aequorin popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 65% of English native speakers know the meaning and use word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

aequorin usage trend in Literature

This diagram is provided by Google Ngram Viewer

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