活性 (かっせい) Japanese meaning | KotomoraCommon wordFreq.FrequencyTop 5,000 Meanings
1
noun
activity; chemical activity
chemistry
Technical chemistry use for the degree to which a substance, catalyst, enzyme, or similar agent is active or reactive.
加熱すると酵素の活性が失われることがある。
Heating can cause an enzyme to lose its activity.
2
noun-modifying (irregular)
active; chemically active
chemistry
Prenominal or compound-forming technical use, as in terms such as 活性酸素 and 活性部位; often translated as active or reactive depending on the term.
