electro-optical

adjective

elec·​tro-op·​ti·​cal i-ˌlek-trō-ˈäp-ti-kəl 

variants or electro-optic

i-ˌlek-trō-ˈäp-tik 

1

: of or relating to electro-optics

2

a

: relating to or being a change in the refractive index of a material due to an electric field

electro-optical effect

b

: using or being a material that exhibits electro-optical properties

an electro-optical crystal

3

: relating to or being an electronic device for emitting, modulating, transmitting, or sensing light

electro-optically

i-ˌlek-trō-ˈäp-ti-k(ə-)lē 

adverb

Examples of electro-optical in a Sentence

Recent Examples on the Web

The systems also have the ability to react to drone threats that are detected using both passive and active sensor systems, such as electro-optical and infrared cameras, or Ku-band radars. — Muskan Bhatia, Interesting Engineering, 1 Nov. 2026

These new drones feature electro-optical cameras and machine vision, enabling precise strikes against moving targets like ships and critical infrastructure. — Vikram Mittal, Forbes.com, 9 Aug. 2026

Word History

First Known Use

1850, in the meaning defined at sense 1

Rhymes for electro-optical

• optical
• synoptical