かっせい
Meanings
Adjective (の)
Noun
Chemistry
1. active
Kanji used
activity
nature (of a person)
Pitch accent
っせい
Top 40600
Used in vocabulary (17 in total)
stimulation (e.g. of an economy); revitalization (e.g. of a town); rejuvenation; activation
reactive oxygen (i.e. free radicals, which can be destructive at high concentrations)