humectant

名词 humectant:

1. any substance that is added to another substance to keep it moist

hu.mec.tant

n.（名词）
A substance that promotes retention of moisture.
湿润剂：一种用于保持湿度的物质
adj.（形容词）
Promoting retention of moisture.
保持湿度的

来源：
From Latin hômect3ns hômect3nt- [present participle of] hômect3re [to moisten]
源自 拉丁语 hômect3ns hômect3nt- [] hômect3re的现在分词 [使湿润]
from hômectus [moist]
源自 hômectus [潮湿的]
from hômôre [to be moist]
源自 hômôre [潮湿]