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optical instrument

n.
1.an instrument designed to aid vision

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Word of the Day

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  • optical illusion
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  • optical glass
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  • optical fusion
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  • optical flint
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  • optical fibre
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  • optical fiber
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  • optical disk
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  • optical disc
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  • optical device
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  • optical crown
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  • optical lens
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  • optical maser
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  • optical opacity
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  • optical phenomenon
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  • optical prism
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  • optical pyrometer
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  • optical telescope
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  • optically
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  • optician
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  • optics
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  • flitter
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  • bus depot
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  • dicotyledonae
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  • lipless
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  • catastrophically
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  • battleship
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  • dry mop
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  • bluestem wheatgrass
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  • reversed
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  • rocket salad
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    Idiom of the Day

    go up in flames/smoke
    to burn or be destroyed by fire, to fail, to not come true (dreams)
    The waiter's plans to open a new restaurant went up in smoke after he lost his job.



    1.
    Wendell’s prolonged illness was the ________ that ignited his interest in science and led to his illustrious career in medical research.

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