SINCE 1828
natural number
nounDefinition of natural number
1
: the number 1 or any number (such as 3, 12, 432) obtained by adding 1 to it one or more times : a positive integer
2
: any of the positive integers together with 0 : a nonnegative integer
Keep scrolling for more
Keep scrolling for more
Comments on natural number
What made you want to look up natural number? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Finance Words Quiz
-
- The etymology of mortgage is related most closely to which two words?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
Share natural number
Resources for natural number