- instantaneous description
- instantaneous elements
- instantaneous latitude
- instantaneous longitude
- instantaneously decodable code
- instantaneous measurement
- instantaneous nucleation
- instantaneous phase
- instantaneous pole
- instantaneous power
- instantaneous power of alternating current
- instantaneous recombination
- instantaneous recycling approximation
- instantaneous rotation axis
- instantaneous rotation center
- instantaneous screw axis
- instantaneous sea surface topography
- instantaneous soil Radon measurement
- instantaneous sound field
- instantaneous spectrum
- instantaneous speed
- instantaneous state
- instantaneous unit hydrograph
- instantaneous value
- instantaneous velocity