腱けん炎えんけんえんMeanings1nountendinitis; tendonitismedicineMedical term for inflammation of a tendon. Used in clinical contexts.腱けん炎えんは、腱けんの使つかいすぎによって起おこることが多おおい。Tendinitis is often caused by overuse of the tendon.医い者しゃにアキレス腱けん炎えんと診しん断だんされた。I was diagnosed with Achilles tendinitis by the doctor.