What is another word for gas holder?
Pronunciation: [ɡˈas hˈə͡ʊldə] (IPA) 
Gas holder, also often referred to as gasometer, is a container that stores and regulates gas. However, several synonyms can be used to refer to gas holders, including gas tank, gas bag, gas chamber, gas container, and gas reservoir. A gas tank typically refers to a pressurized storage container. A gas bag is a flexible container for storing gas. A gas chamber is a sealed vessel for holding gas. A gas container is a receptacle for holding gas, while a gas reservoir is an underground or underwater storage area for gas. These synonyms are often used interchangeably depending on the context, and they all refer to a structure or container that stores gas.
