Bible Dictionaries
Noctilucin

Webster's Dictionary

(n.) A fatlike substance in certain marine animals, to which they owe their phosphorescent properties.

Bibliography Information
Webster, Noah. Entry for 'Noctilucin'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​n/noctilucin.html. 1828.