gasometer

 
Pronunciation: /gaˈsɒmɪtə/

noun

  • a large metal tank, typically cylindrical, in which gas for use as fuel is stored before being distributed through pipes to consumers.

Origin:

late 18th century (in the sense 'container for holding or measuring a gas'): from French gazomètre, from gaz 'gas' + -mètre '(instrument) measuring'