noun🔗ShareSilica based glass extruded into fibers that possess a length at least 1000 times greater than their width."The contractor used fibreglass insulation to help keep the house warm in the winter. "materialsubstancesciencetechnicalindustryChat with AIVocabulary GamePractice Reading
noun🔗ShareEllipsis of fibreglass wool"The old house needed new insulation, so we filled the attic with fibreglass. "materialsubstanceChat with AIVocabulary GamePractice Reading
noun🔗ShareA composite material made from fine fibres of spun glass held together with resin."The new slide at the park is made of smooth, strong fibreglass. "materialcompoundChat with AIVocabulary GamePractice Reading
verb🔗ShareTo apply fibreglass to."to fibreglass the hull of a fishing-boat"materialtechnicalChat with AIVocabulary GamePractice Reading
