optically
Học thuậtThân thiện
Definition
- Adverb:
- In a way that relates to sight, light, or the use of lenses and mirrors: Pertaining to the science of optics or the properties and behavior of light.
- In a way that is perceived by or involves the eyes: Concerning visual appearance or perception.
Usage
- The adverb "optically" is used to modify verbs, adjectives, or other adverbs to specify that an action, quality, or manner is related to vision or light.
- It often appears in technical, scientific, or descriptive contexts.
Examples
- Modifying an adjective (most common):
- The new coating makes the glass optically clear. (It is clear in terms of light transmission and visual perception.)
- The two materials are optically identical but chemically different. (They look the same to the eye.)
- Modifying a verb:
- The system is designed to optically scan the document. (It scans using light or visual means.)
- Modifying a past participle:
- The image was optically enhanced. (It was enhanced using techniques involving light or vision.)
Advanced Usage
- "Optically active": A term in chemistry and physics describing a substance that rotates the plane of polarized light.
- Sugar solution is optically active.
- "Optically isolated": A state where components are connected in a way that allows signal transfer via light, preventing electrical interference.
- The sensor is optically isolated from the control circuit for safety.
Variants and Related Words
- Optic (adjective): Relating to the eye or vision.
- The optic nerve carries visual signals to the brain.
- Optical (adjective): Relating to sight, light, or optics.
- An optical illusion tricks the eye.
- Optics (noun, plural form treated as singular):
- The scientific study of sight and the behavior of light.
- The aspects of an action or policy as perceived by the public.
- The political optics of the decision were terrible.
Synonyms
- Visually: In a visual manner; by sight.
- (Note: "Visually" is more general, often relating to appearance, while "optically" is more technical, relating to the physics of light.)
- With regard to optics/vision: A more descriptive phrase.
Related Phrases
- Optically pure: (Chemistry) Referring to a substance consisting of only one enantiomer (a specific spatial arrangement of molecules).
- Optically stimulated luminescence (OSL): A dating technique used in archaeology and geology.
Adverb
- in an optical manner
- optically distorted