A protein which occurs in the jellyfish Aequorea forskalea (and certain other marine organisms) and luminesces with a blue light when it combines with calcium ions.
Origin
1960s. From scientific Latin Aequorea, genus name + -in.
Definition of aequorin in US English:
aequorin
(also aquorin)
noun
Biochemistry
A protein which occurs in the jellyfish Aequorea forskalea (and certain other marine organisms) and luminesces with a blue light when it combines with calcium ions.
Origin
1960s. From scientific Latin Aequorea, genus name + -in.