Optical

Definition

Optical relates to or uses light and the science of optics, especially in the context of vision or visual equipment.

Parts of Speech

• Adjective

Pronunciation

American English

• IPA Pronunciation: /ˈɑptɪkəl/
• Respelling: OP-ti-kul (with "OP" as in "opt," "ti" as in "tin," and "kul" as in "skull")

British English

• IPA Pronunciation: /ˈɒptɪkəl/
• Respelling: OP-ti-kul (similar to American English, with "OP" as in "opt," "ti" as in "tin," and "kul" as in "skull")

In both dialects, "optical" places the primary stress on the first syllable, "OP." The pronunciation remains consistent across both American and British English, focusing on the clear articulation of "OP-ti-kul."

Etymology

Derived from the Greek word "optikos", which relates to sight or vision. This Greek term was formed from "ops", meaning "eye" or "face".

Derivatives

• Optically (adverb form, relating to optics or the science of light)
• Optician (a person who designs and fits optical lenses)
• Optic (relating to the eyes or sight)
• Optics (the branch of physics that deals with light and vision)
• Optic nerve (a nerve transmitting visual information to the brain)

Synonyms

• Visual
• Ocular
• Visionary

Antonyms

• Auditory
• Non-visual
• Tactile

Usage

"Optical" typically refers to things related to light, vision, or the science of optics.

• The telescope uses optical lenses to magnify distant objects.
• Optical illusions can trick the eye into seeing things that aren't there.
• The store specializes in optical equipment like glasses and cameras.

Related Terms

• Optometrist
• Lens
• Refraction
• Spectacle
• Light

Detailed Definition

Adjective

• Relating to Vision or Eyes: Pertaining to or involving the eye or vision.‍
• Example: The artist used optical techniques to create depth in the painting.

• Relating to Optics: Concerned with the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.‍
• Example: The laboratory specializes in optical research and development.

• Of Devices: Using light to aid function or produce an effect, often in reference to equipment or technology.‍
• Example: The computer mouse uses optical sensors to track movement.