Word.ws English Dictionary

S/N

S/N is the abbreviation of signal-to-noise ratio.

S/N is the initialism of serial number.

Meaning of signal-to-noise ratio

Noun

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

  1. A figure of merit that compares the strength of a signal carrying information to the level of noise interfering with it.
  2. (informal) The quantity of useful or interesting information compared to irrelevant or incorrect information in a message or conversation.

Meaning of serial number

Noun

serial number (plural serial numbers)

  1. (usually) A unique identifier, consisting of numbers, letters or other typographical symbols, assigned to a particular unit of some product in order to identify it.
  2. (sometimes) A number identifying an item in any numbered series (whether in the sense above or otherwise), such as a numbered list.

Words formed from S/N

Questions about S/N

What is S/N the abbreviation of?
S/N is the abbreviation of signal-to-noise ratio.

Words near S/N in the dictionary

  1. S/F ratios
  2. S/Fs
  3. s/he
  4. S/M
  5. S/MAR
  6. S/N
  7. S/N ratio
  8. s/o
  9. s/p
  10. S/RS
  11. S/S

Source and license

Adapted from Wiktionary: S/N (page history and authors); signal-to-noise ratio (page history and authors); serial number (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “S/N.” Word.ws, https://word.ws/s%2Fn. Based on Wiktionary, CC BY-SA 4.0.