Definition of Principal axis

1. Noun. A line that passes through the center of curvature of a lens so that light is neither reflected nor refracted. "In a normal eye the optic axis is the direction in which objects are seen most distinctly"

Exact synonyms: Optic Axis
Generic synonyms: Axis

Lexicographical Neighbors of Principal Axis

Prince Peter Kropotkin
Prince Philip
Prince Rupert
princing
principal
principal(a)
principalities
principality
Principality of Andorra
Principality of Liechtenstein
Principality of Monaco
principally
principals
principalship
principalships
principal axis (current term)
principal diagonal
principal investigator
principal sum
Principe
Principen
principi
principia
principium
principle
principled
principles
principle of equivalence
principle of liquid displacement
principle of parsimony

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