adj
decimal
DEHS-ih-muh
adj
1
Relating to a number system based on the number ten, or to numbers written with a decimal point.
"Most countries use the decimal system for currency."
"Round the answer to two decimal places."
noun
1
A number written using a point to separate whole numbers from fractional parts, such as 3.5.
"Convert the fraction one-quarter into a decimal."
How to Use Decimal
Learner’s notesIn plain EnglishTo do with counting in tens, or a number that uses a decimal point (like 0.75).
Common pairings
decimal point
decimal system
decimal places
recurring decimal
Word Forms
decimaled past tense, decimalled past tense, decimals singular
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Etymology
From Latin decimus, "tenth," from decem, "ten."