Definitions
a material such as glass or porcelain with negligible electrical or thermal conductivity
Word origin
From insulate + -or.
Used in a sentence
“To isolate electrical wires from the pylons supporting them, one often uses glass insulators.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Heat or current blocker”9 letters
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