signal-to-noise ratio

noun

A figure of merit that compares the strength of a signal carrying information to the level of noise interfering with it.

Similar

Meanings

nounsignal-to-noise ratio (plural signal-to-noise ratios)

plural signal-to-noise ratios

  1. engineeringA figure of merit that compares the strength of a signal carrying information to the level of noise interfering with it.

    Synonyms: signal-noise ratio, SNR, S/N, S/N ratio

  2. informalThe quantity of useful or interesting information compared to irrelevant or incorrect information in a message or conversation.

Synonyms & antonyms

nounA figure of merit that compares the strength of a signal carrying information to the level of noise interfering with it.

More synonyms by meaning

nounthe ratio of signal intensity to noise intensity

Similar
signal-to-noisesignal/noise ratiosignal/noiseS/N
Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Chinese Mandarin 信噪比, 信息密度
  • 信噪比 (xìnzàobǐ)figure of merit
  • 信息密度 (xìnxī mìdù)proportion of useful information
Finnish signaali-kohinasuhde, asiapitoisuus
  • signaali-kohinasuhdefigure of merit
  • asiapitoisuusproportion of useful information
Hungarian jel-zaj viszony, jel-zaj arány
  • jel-zaj viszonyfigure of merit
  • jel-zaj arányfigure of merit
Polish stosunek sygnału do szumu
  • stosunek sygnału do szumufigure of merit
Romanian raport semnal-zgomot
  • raport semnal-zgomotfigure of merit
Swedish signal-brusförhållande
  • signal-brusförhållandefigure of merit
Cite this entry
APA

signal-to-noise ratio. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/signal-to-noise%20ratio

MLA

“signal-to-noise ratio.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/signal-to-noise%20ratio. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “signal-to-noise ratio,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/signal-to-noise%20ratio.

Source: signal-to-noise ratio on Wiktionary, CC BY-SA 4.0.