nonconductor

non·con·duc·tor  (nnkn-dktr)

n.

A material that conducts little or no electricity, heat, or sound.

---

nonconductor

Noun

a substance that is a poor conductor of heat, electricity, or sound

Thesaurus

Noun

1.

nonconductor - a material such as glass or porcelain with negligible electrical or thermal conductivity dielectric, insulator bushing - an insulating liner in an opening through which conductors pass material, stuff - the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread" mineral wool, rock wool - a light fibrous material used as an insulator glass wool - glass fibers spun and massed into bundles resembling wool