- insulate (v.)
[insulate 词源字典]
- 1530s, "make into an island," from Latin insulatus, from insula (see insular). Sense of "cause a person or thing to be detached from surroundings" is from 1785. Electrical/chemical sense of "block from electricity or heat" is from 1742. Related: Insulated; insulating.[insulate etymology, insulate origin, 英语词源]