English Explanatory Dictionary

brightness

English dictionary entry

Meanings

noun
  1. The quality of being bright.
  2. The perceived luminance of an object.
  3. Intelligence, cleverness.

Pronunciation

/ˈbɹaɪtnəs/ en-us-brightness.ogg

Word forms

brightness brightnesses brightnesse

Etymology

From Middle English bryghtnes, brightnesse, from Old English beorhtnes (“brightness, splendor”), from Proto-West Germanic *berhtnassī, equivalent to bright + -ness. Cognate with Old High German berahtnessī, berahtnessi (“brightness”).

Derived words

apparent brightness intrinsic brightness
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