polygalacturonase
noun
poly·ga·lac·tu·ro·nase
| \ -ˌga-ˌlak-ˈt(y)u̇r-ə-ˌnās, -gə-ˈlak-tyər-ə-, -ˌnāz
\
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Medical Definition of polygalacturonase
: an enzyme that hydrolyzes the glycosidic linkages of polymerized galacturonic acids (as pectic acid) and that occurs especially in microorganisms — compare pectinase