optical
UK/'ɒptikl/US
IELTSTOEFLA2
Definitions
adj.
Relating to sight or vision
视觉的
adj.
Relating to light or to devices that use light (lenses, fibers)
光学的（与光或镜片、光纤等用光的器件有关）
Root Breakdown
Root-derived+
-icrelating to, having the nature of
+
-alrelating to, having the nature of
=optical
opt (Greek optos 'seen, of sight') + -ic + -al (adj.) = 'having to do with sight or light.' This is the Greek 'sight' branch of opt-, the same one behind optic and optics — not the Latin 'choose' opt- of option. An optical illusion tricks your sight; optical fiber carries light.
Root opt still carries 8 more wordsCommon Collocations
- 1.optical illusion视错觉
- 2.optical fiber光纤
- 3.optical lens光学镜片
- 4.optical drive光驱
Example Sentences
- 1.
The new microscope uses high-quality optical lenses.
- 2.
An optical illusion can make a still image seem to move.
- 3.
Data travels through the city on optical fiber.