prin - pseu
- principal
- principal automorphism
- principal axes transformation
- principal axis
- principal axis of strain
- principal beam
- principal block
- principal bordism
- principal branching
- principal bundle
- principal bundle morphism
- principal case
- principal cause
- principal character
- principal charge
- principal class
- principal clause
- principal clock
- principal component
- principal component analysis
- principal congruence
- principal congruence group
- principal connective
- principal constituent
- principal convergent of a
- principal cotype
- principal covariance
- principal crew
- principal curvature
- principal determinant
- principal diagonal
- principal diameter
- principal dimension
- principal direction
- principal divisor
- principal edge
- principal eigenvalue
- principal equation
- principal equivalence
- principal extension
