so·di·um-po·tas·si·um pump 
(sōdē-əm-pə-tăsē-əm)
(sōdē-əm-pə-tăsē-əm)n.
A mechanism of active transport that moves potassium ions into and sodium ions out of a cell.
- superfetate
- superfetation
- superficial
- superficiality
- superficially
- superficialness
- superficies
- superfine
- superfineness
- superfluid
- superfluidity
- superfluity
- superfluous
- superfluously
- superfluousness
- super flyweight
- super G
- supergalaxy
- supergene
- supergiant
- super giant slalom
- supergraphics
- supergravity
- supergun
- superheat