rational
/ˈræʃənəl/
noun
- A rational number.
- Every rational can be written as a decimal that either terminates or repeats.
- The set of rationals includes all fractions and whole numbers.
- In algebra, we studied the properties of rationals and irrationals.
adjective
- Based on reason or logic rather than emotion; sensible and reasonable.
- It's important to stay rational when solving a difficult problem.
- His argument was clear and rational, so everyone agreed with him.
- She made a rational decision to save money instead of buying a new phone.
- Able to think clearly and make sensible decisions.
- After a good night's sleep, she felt more rational about the situation.
- The patient was not rational and needed medical attention.
- A rational person considers the consequences before acting.
- (in mathematics) Relating to a number that can be expressed as a ratio of two integers (e.g., 1/2, 3/4).
- The square root of 2 is not a rational number because it cannot be expressed as a simple fraction.
- In math class, we learned that 0.75 is a rational number because it equals 3/4.
- All integers are rational numbers because they can be written as a fraction with denominator 1.
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