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insubordinate
insubstantial
insufferable
insufficiency
insufficient
insufflate
insular
insulate
insulation
insulator
insulin
insulin pump
insulin resistance syndrome
insulin shock
insult
insulting
insuperable
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insulation

in·su·la·tion [ ìnssə láysh'n, ìnssyə láysh'n ]


noun 
Definition:
 
1. material that insulates: material that prevents or reduces the passage of heat, electricity, or sound, e.g. a special fabric or a layer of air

2. prevention of conduction: the act of covering or surrounding something to prevent or reduce the passage of heat, electricity, or sound

3. protection: protection or isolation from something undesirable or unpleasant


in·su·la·tive [ ínsə làytiv, ínsyə làytiv ] adjective
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