Phrase guide

contrast ratio

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

ratio of the luminance of white to that of black of a display. A higher value means a higher contrast of white and black.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, natural-sciences, physical-sciences, technology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

contrast meaning the difference of white and black + ratio.

Across languages

Translations

5 source translations are retained for this English entry.

  • Chinese Mandarin: 對比度 /对比度 (duìbǐdù) — ratio of luminances of white and black
  • French: rapport de contraste — ratio of luminances of white and black
  • Japanese: コントラスト比 (kontorasuto hi) — ratio of luminances of white and black
  • Korean: 명암비 (myeong'ambi) — ratio of luminances of white and black
  • Korean: 콘트라스트비 (konteuraseuteubi) — ratio of luminances of white and black