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单词 optics
释义

WordReference Random House Learner's Dictionary of American English © 2024
op•tics /ˈɑptɪks/USA pronunciation   n. [uncountable* used with a singular verb]
  1. Opticsthe branch of physical science that deals with the properties and actions of both visible and invisible light and with vision.
See -opti-.
WordReference Random House Unabridged Dictionary of American English © 2024
op•tics  (optiks),USA pronunciation n. (used with a sing. v.)
  1. Opticsthe branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision.
  • Greek optiká, noun, nominal use of neuter plural of optikós; see optic, -ics
  • Medieval Latin optica
  • 1605–15

Collins Concise English Dictionary © HarperCollins Publishers::
optics /ˈɒptɪks/ n
  1. (functioning as singular) the branch of science concerned with vision and the generation, nature, propagation, and behaviour of electromagnetic light
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