Word.ws English Dictionary

round number

round number noun: a number whose decimal representation ends in one or more zeroes, especially when it is because the number has only a few significant digits.

Noun

round number (plural round numbers)

  1. A number whose decimal representation ends in one or more zeroes, especially when it is because the number has only a few significant digits.
    • A well-known anecdote says that the first scientifically precise measurement of Mount Everest's height was purposely misreported to the public as 29,002 feet merely because the actual result, figured at 29,000 feet precisely, sounded like a round number.
  2. A rough approximation, especially one whose decimal representation ends in one or more zeroes.
    • a nice round number
    • We don't yet know the exact cost, but 20 million dollars sounds like a nice round number.

Forms of round number

pluralround numbers

Questions about round number

What does round number mean?
Round number means a number whose decimal representation ends in one or more zeroes, especially when it is because the number has only a few significant digits.
What part of speech is round number?
Round number is a noun.
What is the plural of round number?
The plural of round number is round numbers.

Words near round number in the dictionary

  1. round lime
  2. round limes
  3. round lot
  4. round lots
  5. Round Mountain
  6. round number
  7. round numbers
  8. Round Oak
  9. round of 16
  10. round of 32
  11. round of 64

Source and license

Adapted from Wiktionary: round 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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