law of nature

• Principe fondamental ou règle décrivant une régularité cohérente et universelle du monde naturel, souvent fondé sur des observations empiriques et un raisonnement scientifique.

A fundamental principle or rule that describes a consistent and universal pattern in the natural world, often based on empirical observation and scientific reasoning.

1. Scientific principleB2formal

   A fundamental principle or rule that describes a consistent and universal pattern in the natural world, often expressed mathematically.

   loi de la nature

   • Newton's law of universal gravitation is a classic law of nature.
   • The law of conservation of energy states that energy cannot be created or destroyed.
   • Scientists rely on laws of nature to predict the behavior of physical systems.

2. Inescapable truthB2informal

   A fact or situation that is universally true and cannot be changed or avoided.

   loi de la nature

   • It's a law of nature that what goes up must come down.
   • Aging is a law of nature that affects all living things.
   • In business, competition is a law of nature.