How to pronounce irrational
American English pronunciation
ih-RASH-uh-nul
- IPA
- /ɪˈɹæʃənəl/
- Syllables
- ih · RASH · uh · nul (4 syllables, stress on the 2nd)
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What irrational means
Most people know irrational in its everyday sense. Here's its other meaning.
Unable to be written as a fraction, said of a number
In a sentence: Pi is an irrational number, so its digits go on forever without repeating.
Where it comes from: It comes from the Latin irrationalis, from ir-, not, and rationalis, having to do with reason or ratio. In math it means a number that is not a ratio of two whole numbers.
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