治験 ちけん clinical trial #12,705 Meanings noun clinical trial Its kanji 治 ジ、チ · おさ.める、おさ.まる、なお.る、なお.す reign, be at peace, calm down, subdue, quell, govt, cure, heal, rule, conserve 験 ケン、ゲン · あかし、しるし、ため.す、ためし verification, effect, testing