1. Definition: 1. establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture"

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1. Definition: 1. make undecipherable or imperceptible by obscuring or concealing; "a hidden message"; "a veiled threat"

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1. Definition: 1. in heraldry, a sketch of a coat of arms in outline.

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1. Definition: 1. test or examine for the presence of disease or infection; "screen the blood for the HIV virus"

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1. Definition: 1. a shelter from danger or hardship

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1. Definition: 1. cover with varnish

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1. Definition: 1. the act of giving a false appearance; "his conformity was only pretending"

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1. Definition: 1. a maneuver in a game or conversation

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1. Definition: 1. a false or unsupportable quality

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1. Definition: 1. something intended to misrepresent the true nature of an activity; "he wasn't sick--it was just a subterfuge"; "the holding company was just a blind"

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1. Definition: 1. a strong declaration of protest

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