piston wheel
noun
1A wheel or rotating disc carrying at its outer margin one or more pistons.
2(In a chain pump) a wheel carrying an endless chain bearing piston pumps.
Origin
Mid 19th century; earliest use found in Scientific American.
- all over
- (all) over again
- all over bar the shouting
- all-overish
- all-overishness
- all-overness
- all over the lot
- all over the place (or map, also shop)
- all over the shop
- all over the show
- allow
- allowability
- allowable
- allowableness
- allowably
- allowance
- allowance money
- allowance race
- allowance system
- allowedly
- allower
- allow me
- allowment
- alloxan
- alloxanate