Nattokinase

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A serine protease of the subtilisin family, extracted from natto. uncountable

Etymology

From Japanese 納豆菌 (nattōkin, “nattō-bacteria”) + -ase. (It is not a kinase.)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.