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law (EN)
noun

noun “law”

singular law, plural laws or uncountable
  1. the system of rules established by a society to maintain order
    You can't do that because it's against the law.
  2. a specific rule or piece of legislation
    The government passed a new law to protect endangered species.
  3. the study or profession of working with laws
    After graduating, he decided to pursue a career in law.
  4. (informal) law enforcement officers or the police
    When the sirens sounded, they knew they were getting into trouble with the law.
  5. a scientific principle describing a natural phenomenon
    The law of gravity explains why apples fall from trees.
  6. a rule or principle of an organization or activity
    The grandmaster knows the laws of chess very well.