9 Grammatical Pitfalls


[in-suh-ley-shuh n, ins-yuh-] /ˌɪn səˈleɪ ʃən, ˌɪns yə-/
material used for insulating.
the act of insulating.
the state of being insulated.
Origin of insulation
1790-1800; insulate + -ion
Related forms
preinsulation, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for insulation
  • When insulating your home, you can choose from many types of insulation.
  • Faced insulation has paper or foil on one side as a vapor barrier.
  • The money isn't for insulation per se, it's for approved contractors to apply insulation.
  • Proper insulation conserves heating and cooling energy.
  • Cut or flat, can plug used in ceilings, similar to how the paper can be recycled as insulation material.
  • Earmuffs are nothing more than over-the-ear headphones with some extra insulation and a frustrating inability to play music.
  • More insulation would improve energy efficiency enormously.
  • Local building codes dictate required exterior wall and ceiling insulation.
  • Polymers can fulfill a wide variety of functions thanks to properties such as high strength, solvent resistance and insulation.
  • Shingles and insulation are also must-haves to keep the chickens warm and dry if you live in an extreme climate.
British Dictionary definitions for insulation


Also called insulant (ˈɪnsjʊlənt). material used to insulate a body, device, or region
the act or process of insulating
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for insulation

1848, "act of making (something) into an island," noun of action from insulate. Transferred sense attested by 1798. Electrical sense is from 1767. The concrete sense of "insulating material" is recorded by 1870.

Online Etymology Dictionary, © 2010 Douglas Harper
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