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optical lens

n.
1.a lens that focuses the image in a camera

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Word of the Day

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  • optical instrument
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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 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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  • optimal
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  • hardheads
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  • citizens committee
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  • decius
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  • quaker gun
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  • diagrammatically
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  • believe in
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  • item-by-item
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  • overcautious
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  • fang
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  • genus vinca
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    Idiom of the Day

    take heart
    to be encouraged, to feel brave and want to try something
    I took heart from my previous failure and decided to try again.



    1.
    Choose an idiom to replace the expression in the brackets:
    The presentation at the meeting (was very successful).

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