reticle

[ ret-i-kuhl ]

noun

, Optics.

1. a network of fine lines, wires, or the like placed in the focus of the eyepiece of an optical instrument.

reticle

/ ˈrɛtɪkəl /

noun

1. a network of fine lines, wires, etc, placed in the focal plane of an optical instrument to assist measurement of the size or position of objects under observation Also calledgraticule

Word History and Origins

Origin of reticle¹

1650–60; < Latin rēticulum little net, equivalent to rēt- (stem of rēte ) net + -i- -i- + -culum -cle ¹

Word History and Origins

Origin of reticle¹

C17: from Latin rēticulum a little net, from rēte net

Example Sentences

Gleaming like the chassis of a spaceship, it holds the glass reticle and also has mounted on it huge, barrel-shaped molecular pumps.

From MIT Technology Review

A reticle is its own trade secret, a protected piece of intellectual property belonging to the company that designed it, and adjusted to the unique specifications of GlobalFoundries’ proprietary process.

From Time