(organic chemistry, uncountable) A water-soluble organic compound, CO(NH₂)₂, formed by the metabolism of proteins and excreted in the urine.

plural of urea

An antimicrobial preservative used in cosmetics.

(biochemistry) A metabolic cycle of biochemical reactions, occurring in ureotelic organisms, in which highly toxic ammonia is converted to urea for excretion.

(chemistry) Any of several of the condensation products of the reaction between urea and formaldehyde (and their derivatives) used as a thermosetting material.

plural of urea-formaldehyde resin

(chemistry) the enzyme, found in soil bacteria and some plants, that catalyzes the hydrolysis of urea into ammonia and carbon dioxide

plural of urease

plural of ureaplasma

Any member of the genus Ureaplasma of urease-positive bacteria