One of the mysteries of the English language finally explained.
A series of fine lines or fibres 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.
- ‘The rifle sent forth an azure beam of energy that pierced the hologram cleanly where the reticle had been; the target disappeared and registered a hit.’
- ‘Even autocollimators with micrometer-driven reticles used with averaged multiple readings require a skilled operator to achieve accurate, repeatable results.’
- ‘With the default set up, your vehicle will align itself to manoeuvre to wherever you aim the targeting reticle with the mouse, while the keyboard controls forward and reverse propulsion.’
- ‘Several different reticles are available that are tailored to the type of long range shooting envisioned.’
- ‘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.’
Mid 18th century: from Latin reticulum ‘net’.
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