optics

Definition

The physics of light and vision: basic optical science.

Etymology

From Medieval Latin opticus (“optic, optical”), from Ancient Greek ὀπτικός (optikós), equivalent to optic + -ics.

Example Sentences

• "a PhD in the optics of liquid crystals"
• "defense R&D investments in both optics and electronics"
• "the optics of liquid crystals under certain laboratory conditions"