Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

rational number

noun

Definition of rational number

  1. :  a number that can be expressed as an integer or the quotient of an integer divided by a nonzero integer



1879

First Known Use of rational number

1879


RATIONAL NUMBER Defined for Kids

rational number

noun

Definition of rational number for Students

  1. :  a number that can be expressed as a whole number or the quotient of two whole numbers




Learn More about rational number


Seen and Heard

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

WORD OF THE DAY

a secret group of plotters

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

dog-eating-apple

Which is a synonym of asperse?

defame placate beat divulge
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ