paraxial

[par-ak-see-uh l]

adjective Optics.

making a small angle with and lying close to the axis of an optical system: paraxial ray.

Nearby words

  1. paraventricular nucleus,
  2. paravertebral,
  3. paravertebral ganglion,
  4. paravidya,
  5. parawing,
  6. paraxon,
  7. parazoan,
  8. paraíba,
  9. parañaque,
  10. parboil

Origin of paraxial

First recorded in 1860–65; par- + axial

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for paraxial

paraxial

adjective

physics (of a light ray) parallel to the axis of an optical system
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for paraxial

paraxial

[pă-răksē-əl]

adj.

Located alongside of the axis of a body or part.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.