principle

• Substantivo que designa uma verdade fundamental, um preceito ou uma regra que serve de base para um sistema de crenças, comportamento ou raciocínio.

A noun referring to a fundamental truth, proposition, or rule that serves as the foundation for a system of belief, behavior, or reasoning.

1. Fundamental truth or lawB2formal

   A fundamental truth or proposition that serves as the foundation for a system of belief or behavior.

   Princípio

   • The principle of democracy is that power belongs to the people.
   • He refused to compromise his principles for personal gain.
   • This theory is based on the principle of cause and effect.

   Sinônimosaxiomdoctrinefundamentallawmaximpreceptpropositionruletenettruth

2. Rule of conductB1formal

   A moral rule or belief that helps you know what is right and wrong and influences your actions.

   Princípio

   • She is a woman of strong moral principles.
   • It is against my principles to lie.
   • He acted on the principle that honesty is the best policy.

   Sinônimosbeliefdoctrineethicguidelinemoralpreceptrulestandardtenetvalue

3. Scientific or technical ruleB2formalscientific

   A general scientific theorem or law that explains how something works.

   Princípio

   • The principle of conservation of energy is fundamental in physics.
   • Archimedes' principle explains why objects float.
   • The machine operates on the principle of hydraulic pressure.

   Sinônimosaxiomfundamentallawruletheorem