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Dictionary Entry

insulation

noun

Find the meaning of the word insulation, plus dictionary definition, pronunciation, thesaurus-style synonyms, antonyms, and related vocabulary.

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Meaning

Dictionary meaning in a clear, student-friendly format.

The act of protecting something by surrounding it with material that prevents heat, electricity, or sound from passing through.

Example Sentence

The thick walls of the house were filled with insulation to keep it warm in winter and cool in summer.

Usage Note

Used in buildings, clothing, and electronics to prevent heat loss or gain, block sound, or stop electrical currents, improving energy efficiency and safety.

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