From Longman Dictionary of Contemporary Englishgasholdergas‧hold‧er /ˈɡæsˌhəʊldə $ -ˌhoʊldər/ noun [countable] British English TPGa very large round metal container or building from which gas is carried in pipes to buildings
Examples from the Corpus
gasholder• The gas given off was purified and stored in the familiar gasholder, ready for use.• The first was the proposal by the Southern Gas Board to erect a 39-metre-high gasholder in the historic centre of Abingdon. 