Definition of "urea" []

• A water-soluble compound, CO(NH2)2, that is the major nitrogenous end product of protein metabolism and is the chief nitrogenous component of the urine in mammals and other organisms. Also called carbamide. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "CVR Partners is planning to use a portion of the proceeds from the IPO to expand production capacity of a higher-margin nitrogen fertilizer known as urea ammonium nitrate, or UAN."
• "To get this we need to expend large amounts of energy, i.e. fossil fuels, to pull stable nitrogen out of the air and convert it to ammonia (if the fertilizer will be sprayed) and further to urea, which is a solid granule to be spread."
• "The AdBlue system uses the SRC catalyst and a tank of liquid urea, which is misted into the exhaust stream."