Medicine 【医】
- (of a substance) relieving inflammation or irritation（物质）缓解炎症（或刺激）的, 润和的。
- a substance that relieves irritation of the mucous membranes in the mouth by forming a protective film（用于治疗口腔黏膜炎症的）缓和剂, 润剂。
词源
mid 18th cent.: from Latin demulcent- 'stroking caressingly'， from the verb demulcere, from de- 'away' + mulcere 'soothe'.