Englishfor English speakers
conductor
Noun
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A conductor is a person who controls the tempo of an orchestra.
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A conductor is a substance that can conduct electricity and/or heat.
insulation
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noun
the state of being isolated or detached
the insulation of England was preserved by the English Channel
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noun
the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
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noun
(= insulating material)
a material that reduces or prevents the transmission of heat or sound or electricity