decimal fraction

noun

: a fraction (such as .25 = ²⁵/₁₀₀ or .025 = ²⁵/₁₀₀₀) or mixed number (such as 3.025 = 3²⁵/₁₀₀₀) in which the denominator is a power of 10 usually expressed by use of the decimal point

Word History

First Known Use

1660, in the meaning defined above

Time Traveler
The first known use of decimal fraction was in 1660

Dictionary Entries Near decimal fraction

Cite this Entry

“Decimal fraction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decimal%20fraction. Accessed 19 Mar. 2024.

Kids Definition

decimal fraction

noun

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