調整剤 ちょうせいざい Meanings Noun adjustor; regulator; modifier; conditioning agent Kanji 調 tune. Read as チョウ. 整 arrange. Read as セイ. 剤 agent. Read as ザイ. Words containing 調整剤 pH調整剤 (ペーハーちょうせいざい) pH adjuster Word lists Chemistry Jinuma: Japanese Dictionary · Word lists