noun
infinite decimal; nonterminating decimal
Mathematics term for a decimal representation that does not terminate, such as 0.333... or π. Contrasts with 有限小数 (finite decimal).
See also: 有限小数
1/3は無限小数で表される。
1/3 is expressed as an infinite decimal.
有限小数 is a finite decimal, while 無限小数 is an infinite decimal.
Compound of 無限 (infinite) and 小数 (decimal).