pump-turbine
Engineering
noun
A machine designed to operate as a pump running in one direction or a turbine running in the other.
Origin
1930s.
- keep time
- keep to
- keep to oneself
- keep up (also keep up with)
- keep up appearances
- keep up with
- keep up with the Joneses
- keep watch
- keep wicket
- keep your hair on!
- keep your pecker up
- keep your shirt on
- keepy-up
- keepy-uppy
- keeshond
- keester
- keeve
- kef
- Kefallinía
- Kefauver, Estes
- keffiyeh
- kefir
- Keflavik
- keftedes
- keg