Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

signal noise ratio

noun

Definition of signal noise ratio

: the ratio of radio field intensity to noise field intensity also : the ratio of the signal transmitted through a piece of radio equipment to the noise generated within the equipment itself

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of signal noise ratio

1923, in the meaning defined above

Keep scrolling for more

Learn More about signal noise ratio

Statistics for signal noise ratio

Look-up Popularity

Time Traveler for signal noise ratio

The first known use of signal noise ratio was in 1923

See more words from the same year

Comments on signal noise ratio

What made you want to look up signal noise ratio? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

writhe

Listen to the pronounciation of writhe

to move or proceed with twists and turns

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play
Ask the Editors
Word Games