paraxial


par·ax·i·al

adj \(ˈ)par-ˈak-sē-əl\

Definition of PARAXIAL

: relating to or being the space in the immediate neighborhood of the optical axis of a lens or mirror <paraxial rays>
par·ax·i·al·ly \-ē\ adverb

Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

Get Our Free Apps

Voice Search, Favorites,
Word of the Day, and More

iPhone | iPad | Android | More