optic
/'ɔptik/
Học thuậtThân thiện
Definition
Adjective:
- Relating to sight or vision: "Optic" describes anything connected with the sense of sight or the process of seeing.
- Relating to the eye: "Optic" specifically refers to the eye or its structures and functions.
Noun:
- The organ of sight; the eye: In technical or humorous contexts, "optic" can refer to the eye itself.
- A lens or component in an optical device: It can also refer to a part of an instrument, like a telescope or microscope, that is involved in vision or light transmission.
Usage Examples
Adjective:
- The optic nerve transmits visual information from the eye to the brain.
- An optic illusion can trick the brain into seeing something that isn't there.
Noun:
- He shielded his optics from the bright sun. (Here, 'optics' is a humorous or informal plural for 'eyes'.)
- The microscope's optic needed cleaning to see the specimen clearly.
Advanced Usage
- "Optic" in compound scientific terms: While "optic" itself is a standalone word, it frequently forms the root of compound terms in science and medicine.
- Optic chiasm: The point in the brain where the two optic nerves partially cross.
- Optic disc: The point on the retina where the optic nerve enters the eye.
Variants and Related Words
- Optical (adj): Very similar in meaning to the adjective "optic," often used interchangeably. "Optical" is more common in general contexts (e.g., optical lens, optical store).
- Ophthalmology (n): The branch of medicine dealing with the eye, its diseases, and treatments. (This is a related but distinct field).
- Ocular (adj): A formal synonym for "optic," meaning of or related to the eye.
Synonyms
- Adjective: Visual, ocular.
- Noun: Eye, orb (poetic/literary).
Related Phrases
- Optic fiber: A thin, flexible strand of glass or plastic that transmits light, used in communications and medicine. (Note: This is a compound term listed here as a related concept).
- Optic axis: The straight line passing through the centers of curvature of the lens surfaces in an optical system.
Adjective
- relating to or using sight
- ocular inspection
- an optical illusion
- visual powers
- visual navigation
- of or relating to or resembling the eye
- ocular muscles
- an ocular organ
- ocular diseases
- the optic (or optical) axis of the eye
- an ocular spot is a pigmented organ or part believed to be sensitive to light
Noun
- the organ of sight