Meanings
- pluralplural of rational number
- mathematicsThe set of numbers that can be expressed as a ratio of integers, often denoted with the bold letter Q, or the blackboard bold letter ℚ.
However, if our ring of interest is the rational numbers ℚ, then we see that[…].
2004, Ronald S. Irving, Integers, Polynomials, and Rings: A Course in Algebra, page 1272 more examples
Elementary number theory is concerned with the arithmetic properties of the ring of integers, ℤ, and its field of fractions, the rational numbers, ℚ.
2002, Michael Rosen, Number Theory in Function Fields, page viiIn the analysis that follows, properties of an ordered quotient field (Birkhoff & MacLane, 1953) are considered, because this chapter is focusing on the rational numbers, a prime example of such a field.
2012, Thomas E. Kieren, “3: Rational and Fractional Numbers: From Quotient Fields to Recursive Understanding”, in Thomas P. Carpenter, Elizabeth Fennema, Thomas A. Romberg, editors, Rational Numbers: An Integration of Research, page 53
Translations
Finnish rationaaliluvut
- rationaaliluvutset of numbers that can be expressed as a ration of integers
Polish liczby wymierne
- liczby wymierneset of numbers that can be expressed as a ration of integers
Romanian numere raționale
- numere raționaleset of numbers that can be expressed as a ration of integers
Cite this entry
rational numbers. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/rational%20numbers
“rational numbers.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rational%20numbers. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “rational numbers,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/rational%20numbers.
Source: rational numbers on Wiktionary, CC BY-SA 4.0.