Definition of protopectinase in US English:

protopectinase

noun

Biochemistry
  • A pectinase that converts protopectin to a soluble form by hydrolysis.

Origin

1920s; earliest use found in The Botanical Gazette. From proto- + pectinase, after protopectin.

Pronunciation

protopectinase

/ˌprəʊtə(ʊ)ˈpɛktɪnɛɪz/