Lactam
[lak-tam] /ˈlæk tæm/
noun, Chemistry.
1.
any of a group of cyclic characterized by the NHCO group, derived from aminocarboxylic acids by the intramolecular elimination of water from the amino and carboxylic groups.
/ˈlæktæm/
noun
1.
(chem) any of a group of inner amides, derived from amino acids, having the characteristic group -CONH-
lactam lac·tam (lāk’tām’)
n.
An amide formed from amino carboxylic acids containing a keto group in a ring configuration, as seen in purines, pyrimidines, and antibiotics. It is tautomeric to lactim.
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[lak-tair-ee-uh n] /lækˈtɛər i ən/ noun 1. (def 1).
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[lak-tuh-ree] /ˈlæk tə ri/ adjective, Archaic. 1. of, relating to, or of the nature of milk.
- Lactase
[lak-teys, -teyz] /ˈlæk teɪs, -ˌteɪz/ noun, Biochemistry. 1. an enzyme capable of hydrolyzing lactose into glucose and galactose. /ˈlækteɪs; -teɪz/ noun 1. any of a group of enzymes that hydrolyse lactose to glucose and galactose lactase lac·tase (lāk’tās’) n. See beta-galactosidase. lactase (lāk’tās’) An enzyme that is found in the small intestine, liver, and kidneys […]
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[lak-teyt] /ˈlæk teɪt/ verb (used without object), lactated, lactating. 1. to produce milk. [lak-teyt] /ˈlæk teɪt/ noun, Chemistry. 1. an ester or salt of . /ˈlækteɪt/ noun 1. an ester or salt of lactic acid /ˈlækteɪt/ verb 1. (intransitive) (of mammals) to produce or secrete milk v. “secrete milk from the breasts,” 1889, probably a […]
- Lactate-dehydrogenase
noun, Biochemistry. 1. an enzyme that catalyzes the interconversion of pyruvate and lactate, an important step in carbohydrate metabolism: elevated serum levels indicate injury to kidney, skeletal muscle, or heart muscle. Abbreviation: LDH. lactate dehydrogenase n. Abbr. LDH Any of a class of enzymes found in the liver, kidneys, striated muscle, and heart muscle that […]