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Pronunciation of 

optical

view main entry for opticaladjective biology  /ˈɑptɪk(ə)l/
American English pronunciation: opticalClick to listen to the pronunciation of optical

derived word

optically

  /ˈɑptɪkli/  adverb
American English pronunciation: opticallyClick to listen to the pronunciation of optically

mom jeans

a style of loose-fitting jeans with a high waist, often considered unfashionable

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twilit

lit only by twilight

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endies

Employed but with No Disposable Income or Savings: people who are in work but only earn just enough to live on

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