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reticle

Syllabification: ret·i·cle
Pronunciation: /ˈredək(ə)l
 
/

Definition of reticle in English:

noun

North American
A series of fine lines or fibers in the eyepiece of an optical device, such as a telescope or microscope, or on the screen of an oscilloscope, used as a measuring scale or an aid in locating objects.
Example sentences
  • In fact, the extremely complex reticles that will be required to extend optical lithography below 100 nm will make the cost of ownership impractical for low-volume applications.
  • Even autocollimators with micrometer-driven reticles used with averaged multiple readings require a skilled operator to achieve accurate, repeatable results.
  • Several different reticles are available that are tailored to the type of long range shooting envisioned.

Origin

mid 18th century: from Latin reticulum 'net'.

Definition of reticle in:

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