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diffraction grating

n.
1.optical device consisting of a surface with many parallel grooves in it

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  • diffraction
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  • diffidently
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  • diffident
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  • diffidence
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  • difficulty
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  • difficultness
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  • difficult
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  • differently
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  • diffuse
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  • diffuse nebula
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  • diffused
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  • diffusely
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  • diffuseness
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  • diffuser
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  • diffusing
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  • diffusing screen
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  • diffusion
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  • diffusion pump
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  • voting booth
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  • unsent
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  • chemisorption
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  • locker-room
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  • trepidly
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  • genus calystegia
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  • alpha globulin
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  • legislative branch
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    Idiom of the Day

    meet one's end/death
    to die
    The elderly man met his death in an accident while walking across the street.



    1.
    (1) Freedom, which
    (P) in the sense
    (Q) that a wide gylf separates
    (R) a modern woman enjoys,
    (S) is the restricted kind,
    (6) the rich and the poor women.

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