Word Study
insulator
CIDE DICTIONARY
insulator, n.
- One who, or that which, insulates. [1913 Webster]
- A substance or object that insulates; a nonconductor; as, polyurethane foam is a popular thermal insulator. [1913 Webster]
OXFORD DICTIONARY
insulator, n.
1 a thing or substance used for insulation against electricity, heat, or sound.
2 an insulating device to support telegraph wires etc.
3 a device preventing contact between electrical conductors.
1 a thing or substance used for insulation against electricity, heat, or sound.
2 an insulating device to support telegraph wires etc.
3 a device preventing contact between electrical conductors.
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