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Luminosity - Meaning, Definition & English Examples

Luminosity refers to the brightness or radiant energy emitted by an object, such as a star or light source. It describes how much light something produces or reflects.

luminosity

/ˌluːməˈnɑːsəti/ /ˌluːmɪˈnɒsɪti/

Definition:

The brightness or radiance of light emitted by an object.

Synonyms:

radiance, brilliance, glow, brightness

Part of Speech:

noun

Antonyms:

darkness, dimness

Common Collocations:

stellar luminosity, high luminosity, low luminosity, luminosity measurement

Derivatives:

luminous, luminously, luminescent

Usage Tips:

Use "luminosity" to describe the intensity of light from stars or other radiant objects.

Common Phrases:

luminosity function, luminosity distance, luminosity class

Etymology:

Derived from Latin "luminosus," meaning "full of light," and "-ity," a suffix forming nouns indicating state or quality.

Examples:

  • 1. The sun's luminosity makes it the brightest object in our sky.
  • 2. Astronomers measure a star's luminosity to understand its energy output.
  • 3. The artist captured the luminosity of the sunset perfectly in her painting.
  • 4. High-luminosity LEDs are used in modern streetlights for better visibility.

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