reticle


reticle

noun Optics.

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

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 observationAlso called: graticule
n.

1650s, from Latin reticulum “little net,” diminutive of rete “net” (see reticulate (adj.)).

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