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instr.
instruct
instruction
instructive
instructor
instrument
instrument board
instrument flying
instrument landing
instrument panel
instrumental
instrumental learning
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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
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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