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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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  • naphazoline
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  • joinery
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  • musales
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  • mental capacity
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  • justifiable
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  • pansy violet
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  • scomber japonicus
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  • topple
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  • sirocco
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  • triclinic
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    Idiom of the Day

    up to par
    meeting normal standards, equal to the usual level or quality
    The man's work was not up to par and he was asked to leave his job.



    1.
    A ballpark figure is a precise figure.

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