From Longman Dictionary of Contemporary Englishflanneletteflan‧nel‧ette /ˌflænəlˈet/ noun [uncountable] DCCsoft cotton cloth used especially for making nightclothes and sheets
Examples from the Corpus
flannelette• Cover a flat piece of hardboard with a single layer of flannelette of similar material.• Domette A fine, plain-weave type of flannelette, with a soft fluffy surface.• He saw her back clothed in the flannelette nightdress. 