Simple Definition of urea

from our Learner's Dictionary

urea

noun

technical : a substance that contains nitrogen, is found in the urine of mammals and some fish, and is used in some kinds of fertilizer

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“Urea.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/urea. Accessed 19 Jun. 2026.

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