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Meaning of aequorin

ae•quor•in

Pronunciation: (ē-kwôr'in, ē-kwor'-), [key]
— n. Biochem., Histol.
  1. a protein, secreted by certain jellyfish, that produces a blue light upon binding with calcium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.