tankful

From tank +‎ -ful.

tankful (plural tankfuls or tanksful)

1. The amount (usually of a fluid) that will fill a tank.
   • 1985 December, Popular Mechanics, page 52:

     Each tankful of leaded gasoline causes an increasingly thick coating of lead to build up on the catalyst.

   • 1988 July, advertisement, Field & Stream, page 57,

     Regane^® Premium^TM is a gas treatment so superior, it′ll work through eleven tankfuls-not just one.

   • 2008, Paul J. Deitel, Harvey M. Deitel, Visual C♯ 2008: How to Program, page 215:

     One driver has kept track of several tankfuls of gasoline by recording the miles driven and gallons used for each tankful.