- any rational number that can be expressed as the sum or difference of a finite number of units, being a member of the set …–3, –2, –1, 0, 1, 2, 3…
- an individual entity or whole unit
WordReference Random House Learner's Dictionary of American English © 2026
in•te•ger /ˈɪntɪdʒɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Mathematicsone of the positive or negative numbers 1, 2, 3, etc., or zero, not a fraction;
a whole number.
in•te•ger
(in′ti jər),USA pronunciation n.
- Mathematicsone of the positive or negative numbers 1, 2, 3, etc., or zero. Cf. whole number.
- a complete entity.
- Latin: untouched, hence, undivided, whole, equivalent. to in- in-3 + -teg- (combining form of tag-, base of tangere to touch) + -er adjective, adjectival suffix
- 1500–10
Collins Concise English Dictionary © HarperCollins Publishers::
integer /ˈɪntɪdʒə/ n
'integer' also found in these entries (note: many are not synonyms or translations):
array
- congruence
- entire
- factor
- factorial
- factorize
- induction
- integral
- integrate
- integrity
- lowest common denominator
- modulus
- number
- perfect number
- prime number
- redintegrate
- round
- square number
- whole number
- zero
- address
- binomial series
- characteristic
- count
- divisible
- division algorithm
- entirety
- Euler's phi-function
- exclusion principle
- Farey sequence
- Fermat's theorem
- fermion
- Gaussian integer
- Goldbach conjecture
- greatest-integer function
- hereditary
- index
- integer vitae
- integral test
- integrant
- into
- mass number
- natural number
- n-tuple
- order
- quadratic residue
- quantum number
- Tchebycheff equation
- Tchebycheff polynomial
- unit