prin - puls
- principal
- principal axis
- principal carrier
- principal circuit
- principal consumer
- principal current
- principal dimensions
- principal direction
- principal distance
- principal equation
- principal frequency
- principal function of Hamilton
- principal inductance
- principal mode
- principal moment of inertia
- principal plane
- principal quantum number
- principal ray
- principal series
- principal sound pressure level
- principal voltage
- principal wave
- principle
- principle of averages
- principle of continuity
- principle of detailed balance
- principle of duality
- principle of operation
- principle of reciprocity
- principle of superposition
- print bar
- print character matrix
- print command pulse
- print head
- print job
- print job queue
- print out
- print punch
- print rate
