Infinity Infinity is the concept of something boundless, something that has no end. In the context of mathematics it may be referred to as a "number," but infinity is not a real number. It is used to represent a value that is immeasurably large, and cannot be assigned any kind of actual numerical value. Infinity is represented using the symbol ∞. Infinity is larger than the largest conceivable number, has no end, and does not grow in any way. It is not like an exponential value. Although ... Infinity, the concept of something that is unlimited, endless, without bound. Three main types of infinity may be distinguished: the mathematical, the physical, and the metaphysical. Mathematical infinities occur, for instance, as the number of points on a continuous line. Definition of infinity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. What is the infinity symbol? The infinity symbol, a figure eight on its side ∞, variously signifies the concept of limitlessness or eternity, especially as used notationally in mathematics and metaphorically with respect to love.
