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The above transcription of insulation is a detailed (narrow) transcription according to the rules of the International Phonetic Association. You can find a description of each symbol by clicking the phoneme buttons in the secction below.
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An example use of insulation in a speech by a native speaker of american english:
“… it a unit of insulation right in so …”
Insulation is the process of filling a space with a material that is less dense than the material it surrounds.