Bible Dictionaries
Urea

Webster's Dictionary

(a.) A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals. It is also present in small quantity in blood, serous fluids, lymph, the liver, etc.

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