optic
gb/ˈɑptɪk/ us/ˈɑptɪk/
B2
英语
~ 8300
义项
0 个义项
adjective
technical
C1
property
1
relating to the eye or vision
About the eye or about seeing.
用法模式：
optic [noun]
常见错误：
Learners often confuse "optic" with "optical." "Optic" is most common in medical or biological phrases like "optic nerve," while "optical" is more general and used for devices or physics, like "optical lens" or "optical cable." Learners may also try to use "optic" on its own to mean eyesight (e.g., *"My optic is bad"*), but natural English uses "eyesight" or "vision" instead.
近义词
ocular (More formal and technical; used mainly in medical or scientific contexts.)
反义词
nonvisual (Describes things not related to sight or vision.)
搭配
optic nerve
|optic neuritis
|optic disc
|optic chiasm
|optic pathway
|optic atrophy
主题
medicine
|science
|body
|health
例句
- The doctor ordered an MRI to check for damage to the optic nerve.
- Optic health can be affected by long-term high blood pressure.
- Researchers are studying optic disorders that cause sudden vision loss.
- The blow to his head caused temporary optic dysfunction in his right eye.
学习者例句
- He has a problem with the optic nerve in his left eye.
- The test showed no optic damage after the accident.
- Some diseases can cause optic problems and make it hard to see.
名词
informal
B2
entity
2
sighting device for aiming
A device you look through, like a scope or sight, to help you aim a gun or see better with a tool.
用法模式：
mount an optic on [something]
常见错误：
Learners may think "optic" as a noun means the eyeball itself in modern everyday English, but that use is rare and sounds old-fashioned. In current informal use, especially in gaming and shooting contexts, "an optic" usually means a scope or similar sighting device.
近义词
scope (More common everyday term; sounds less technical and is widely understood, especially for rifle sights.)
反义词
iron sights (Refers to basic metal sights on a gun, used without any optical device; contrasts with using an optic.)
搭配
rifle optic
|red-dot optic
|mount an optic
|swap optics
|high-end optic
|low-power variable optic
主题
technology
|hobbies
|sports
例句
- He mounted a new optic on his rifle before the competition.
- The budget for the build didn't leave much money for a quality optic.
- Gamers complained that the default optic in the game made it hard to track targets.
- A fogged-up optic can ruin your accuracy in bad weather.
学习者例句
- He put a new optic on his hunting rifle.
- This optic helps me see the target clearly.
- The old optic is heavy, so she wants a lighter one.
adjective
technical
C1
property
3
relating to light or optics
About light and how it is used or controlled in tools and systems.
用法模式：
optic [noun]
常见错误：
Learners often use "optic" instead of the far more common "optical" in this sense. While phrases like "optic sensor" or "optic fiber" exist, "optical sensor" and "optical fiber" are generally more standard in modern technical English.
近义词
optical (Much more common in this meaning; used in most modern scientific and technical phrases instead of "optic.")
反义词
non-optical (Describes systems or methods that do not use light, highlighting contrast with optic/optical technologies.)
搭配
optic fiber
|fiber-optic network
|optic sensor
|optic components
|optic communication systems
|integrated optic devices
主题
science
|technology
例句
- The company specializes in optic sensors for industrial robots.
- Engineers are developing new optic materials to improve data transmission speeds.
- The lab focuses on integrated optic circuits for next-generation communication systems.
学习者例句
- The new phone uses tiny optic sensors.
- They are building faster optic networks for the city.
- He studies optic systems that move data with light.
名词
literary
C2
entity
4
the eye (rare, literary)
The eye, as a body part, in old or literary style.
用法模式：
the [adjective] optic
常见错误：
Learners might try to use "optic" as a normal modern word for "eye," but this sounds unnatural today. Use "eye" in everyday English and reserve this meaning of "optic" for understanding older or literary texts.
近义词
eye (The normal, everyday word; "optic" in this sense is rare and sounds old-fashioned or poetic.)
反义词
blindness (Represents the lack of sight that results when the eye does not function.)
搭配
delicate optic
|human optic
主题
body
|literature
|health
例句
- The fragile human optic is easily damaged by flying debris.
- Old medical texts sometimes refer to the eye simply as the optic.
- The poet described the hero's optic as shining with fierce resolve.
学习者例句
- In this old book, the word "optic" means the eye.
- The writer talks about the human optic in a strange, old style.
- Some old doctors used the word "optic" for the eye.
语法
词典原形
optic
IPA
GB/ˈɑptɪk/
US/ˈɑptɪk/
音节与重音
op - tic （2 个音节）
Stress on 1st syllable (op)
词形变化
Adjective
- Base: optic
Noun
- Base: optic
- Plural: optics
词族
Forms
optics
noun
Core family
optical
adjective B1
optically
adverb
Related words
optician
noun
optometrist
noun
optometry
noun
相关表达
fiber-optic cable
1/fˈaɪbɚ ˈɑptɪk kˈeɪbəl/
fixed phrase
technical
cable that carries data as light
A special cable made of very thin glass or plastic strands that carries information as light signals.
例句
- The new internet service uses fiber-optic cable to deliver faster speeds.
- Engineers had to dig up the street to lay a fiber-optic cable between the buildings.
optic nerve
1/ˈɑptɪk nˈɚv/
fixed phrase
technical
nerve from eye to brain
The nerve that takes visual signals from the eye to the brain so you can see.
例句
- Damage to the optic nerve can cause permanent vision loss.
- The scan showed swelling around her left optic nerve.
- Glaucoma slowly harms the optic nerve over many years.