from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the act of collimating or something collimated
  • n. aligning lenses along line of sight to minimize aberrations

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of collimating; the adjustment of the line of the sights, as the axial line of the telescope of an instrument, into its proper position relative to the other parts of the instrument.

from The Century Dictionary and Cyclopedia

  • n. The accurate adjustment of the line of sight of a telescope.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the accurate adjustment of the line of sight of a telescope


Sorry, no etymologies found.


  • Exposure to ionizing radiation during a medical examination can be limited by lead shielding, tube collimation and using the lowest dose necessary to obtain a diagnostic image.

    Helene Pavlov: Another Look at Radiation

  • E.g., the formation and collimation of jets is still quite unknown.

    Quasar Caught Building Future Home Galaxy | Universe Today

  • The old one, you may recall, has deteriorated over the years it's close to 30 years old, after all and no longer adjusts for collimation.

    Archive 2009-12-01

  • The replacement is a nice model from Astrosystems, which features four-point collimation adjustment.

    Archive 2009-12-01

  • BONNIE RUCKS, DEVRY UNIVERSITY: It is a collimation of all of the students 'learning experiences here at DeVry and their real world experience.

    CNN Transcript Mar 14, 2009

  • I think Jeff #4 has it right: the ‘illumination’ risk is only evident on takeoff or final approach… and even then, why bother with a laser when a high-collimation halogen light will do the job?

    Australia Takes On ‘Laser Lunatics’ - The Lede Blog -

  • Even with the collimation provided by a parabolic sending station, my gut feeling is that the physics (scattering, signal-to-noise, etc) is very much against it working.

    Archive 2004-05-01

  • "A magnetic pulse of very high power seriously interfered with plasma collimation before the shutoff could respond," stated the computer.


  • It consists of spider webs set within a graduated metallic circle, the webs movable by screws, and the whole instrument capable of rotating about the collimation axis of the telescope.

    Scientific American Supplement, No. 288, July 9, 1881

  • This post was sawed off squarely on top so that the line of collimation of an engineer's transit set on it without

    Concrete Construction Methods and Costs


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