law (nom)
Sens 1 : a factual statement of what always happens in certain circumstances;
scientific principle. [source : D'après OAL]
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Sens 2 : a rule of action or procedure, especially in the arts or a game. [source : D'après OAL]
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Sens 3 : the whole system of rules that people in a particular country or area must obey. [source : LG]
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Sens 4 : a statement describing a relationship observed to be invariable between or among
phenomena for all cases in which the specified conditions are met. [source : AHD]
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Sens 5 : a rule of conduct or procedure established by custom, agreement, or authority. [source : AHD]