radiance

• Qualité de ce qui émet ou reflète de la lumière, souvent associée à l'éclat, la chaleur ou l'apparence rayonnante.

A noun referring to the quality of emitting light or energy, often associated with brightness, warmth, or a glowing appearance.

indénombrable

1. Electromagnetic radiation measurementC1formalscientific

   The amount of electromagnetic radiation leaving or arriving at a specific point on a surface.

   Radiance (mesure du rayonnement électromagnétique)

   • The sensor measures the radiance of the sun's rays.
   • Radiance values are crucial for climate modeling.
   • The instrument recorded the radiance from the distant star.

2. Brightness and light emissionB2formal

   The quality of being bright and sending out rays of light.

   Éclat lumineux

   • The radiance of the morning sun filled the room.
   • Her smile had a warm radiance that lit up the room.
   • The diamond's radiance was breathtaking.

   Synonymesbrightnessbrilliancedazzlegleamglowluminositylusterresplendenceshinesplendor

   Antonymesdarknessdimnessdullnessobscurity

3. Health and happiness glowB2informal

   An attractive combination of good health and happiness that is visible in a person's appearance.

   éclat de santé et de bonheur

   • She had a natural radiance after her vacation.
   • His radiance comes from a positive outlook on life.
   • The bride's radiance was evident on her wedding day.

   Synonymesbloombrightnessglowlustershinesparkle