brightness

/'braitnis/

Thân thiện

The artist adjusts the brightness of the lamp on her desk.

Definition

1. Noun:
   • The quality of being bright; the state of emitting or reflecting a lot of light. This refers to the physical property of an object or light source.
   • Intelligence, especially as shown by quickness of mind or wit. This is a metaphorical use relating to mental sharpness.
   • The dimension of a visual perception that ranges from black to white. This is a technical term in visual perception and color theory, describing the lightness or intensity of a color.

Usage Examples

• Noun (Physical Light):
  • The brightness of the sun made it difficult to look directly at it.
  • She adjusted the brightness of her computer screen to reduce eye strain.
• Noun (Intelligence):
  • His conversational brightness impressed everyone at the meeting.
  • The student's essay was noted for its intellectual brightness.
• Noun (Visual Perception):
  • In this image editing software, you can control the hue, saturation, and brightness separately.

Advanced Usage

• "Relative brightness": The brightness of an object compared to another, often a standard reference.
  • Astronomers measure the relative brightness of stars.
• "Perceived brightness": The subjective experience of how bright something appears, which can be influenced by context and contrast.
  • A gray square looks darker on a white background due to differences in perceived brightness.

Variants and Related Words

• Bright (adj): Giving out or reflecting a lot of light; intelligent and quick-witted.
  • It was a bright, sunny day.
  • She is a very bright student.
• Brighten (verb): To make or become brighter.
  • The new paint will brighten the room.
• Brightly (adv): In a bright manner.
  • The stars shone brightly.

Synonyms

• Luminosity: The intrinsic brightness of a celestial object (more technical/scientific).
• Radiance: Brightness that seems to shine from something.
• Brilliance: Intense brightness or exceptional intelligence.
• Cleverness: Intelligence and quick-wittedness (synonym for the intelligence sense).

Antonyms

• Dimness: The state of being not bright.
• Dullness: Lack of brightness, shine, or intelligence.

Học thuật

Noun

1. the quality of being luminous; emitting or reflecting light
   • its luminosity is measured relative to that of our sun
2. intelligence as manifested in being quick and witty
3. the location of a visual perception along a continuum from black to white

Từ đồng nghĩa

• luminosity
• brightness level
• luminance
• luminousness
• light
• cleverness
• smartness