demulcent

a. 缓和的, 润性的
n. 缓和剂, 润药
【医】 缓和的, 润的, 缓和药, 润药

de.mul.cent

adj.（形容词）
Serving to soothe or soften.
缓和的，软化的：用于起镇定或软化作用的
n.（名词）
A soothing, usually mucilaginous or oily substance, such as glycerin or lanolin, used especially to relieve pain in inflamed or irritated mucous membranes.
润滑剂，缓和剂：一种起润滑作用的物质，例如甘油或羊毛脂等，通常是粘液或油状的，尤用于减轻因粘膜发炎而引起的疼痛

来源：
Latin dômulcôns dômulcent- [present participle of] dômulcôre [to soften]
拉丁语 dômulcôns dômulcent- [] dômulcôre的现在分词 [使软化]
dô- [de-]
dô- [前缀，表示.减少，降低.]
mulcôre [to stroke]
mulcôre [轻抚]