窒ちっ素そ酸さん化か物ぶつMeaningsNoun1. nitrogen oxideKanji used窒suffocate素elementary酸acid化transformation物thingPitch accentちっそさんかぶつComposed of窒ちっ素そnitrogen (N)Noun酸さん化かoxidation; oxidizationNoun物ぶつstock; productsNoun