phosphatase

[fos-fuh-teys, -teyz]
noun Biochemistry.
any of several classes of esterases of varying specificity that catalyze the hydrolysis of phosphoric esters.

Origin:
1910–15; phosphate + -ase

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World English Dictionary
phosphatase (ˈfɒsfəˌteɪs, -ˌteɪz)
 
n
any of a group of enzymes that catalyse the hydrolysis of organic phosphates

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American Heritage
Medical Dictionary

phosphatase phos·pha·tase (fŏs'fə-tās', -tāz')
n.
Any of numerous enzymes that catalyze the hydrolysis of esters of phosphoric acid and are important in the absorption and metabolism of carbohydrates, nucleotides, and phospholipids and in the calcification of bone.

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Example sentences
Bilirubin levels increase after alkaline phosphatase rises.
Blood tests may show higher than normal levels of bilirubin and alkaline phosphatase.
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