noun
- a network of fine lines or wires in the eyepiece of an optical instrument used as a measuring scale or an aid in locating objects
Usage: technical; optics
Examples
- The sniper adjusted the rifle scope until the target was centered in the reticle.
- The telescope’s reticle helped astronomers measure the angular distance between stars.
- She aligned the crosshairs of the reticle with the distant landmark.
- The microscope’s reticle allowed precise measurement of the specimen.
- The surveyor used the reticle in his transit to take accurate readings.
- Modern scopes often feature illuminated reticles for low-light conditions.