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.
More 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.
mid 18th century: from Latin reticulum 'net'.
Definition of reticle in:
- The British & World English dictionary