Definitions

from The Century Dictionary.

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

from the GNU version of the Collaborative International Dictionary of English.

  • noun 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.
  • noun the deviation of the line collimation of an astronomical instrument from the position it ought to have with respect to the axis of motion of the instrument.
  • noun the axial line of the telescope of an astronomical or geodetic instrument, or the line which passes through the optical center of the object glass and the intersection of the cross wires at its focus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

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

  • noun the accurate adjustment of the line of sight of a telescope

Etymologies

Sorry, no etymologies found.

Examples

  • 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.

    Jayme Lynn Blaschke's Gibberish

  • 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

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

    Quasar Caught Building Future Home Galaxy | Universe Today

  • 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

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

    Archive 2009-12-01

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

    Jayme Lynn Blaschke's Gibberish

  • 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 - NYTimes.com

  • 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.

    Listening Ears

  • 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

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