- Decimal is defined as a system of numbers or currency where everything is based on the number ten, or on parts of ten.
3.432 is an example of a number described as a decimal number.
- The definition of a decimal is a number written with a decimal point and a remainder that represents portions of ten.
An example of a decimal is 2.5 which is two and five tenths.
decimal definition by Webster's New World
Origin: Old French ; from Midieval Latin decimalis ; from Classical Latin decimus, tenth ; from decem, ten
decimal definition by American Heritage Dictionary
- A linear array of digits that represents a real number, every decimal place indicating a multiple of a negative power of 10. For example, the decimal 0.1 = 1/10 , 0.12 = 12/100 , 0.003 = 3/1000 . Also called decimal fraction.
- A number written using the base 10.
- Expressed or expressible as a decimal.
- a. Based on 10.b. Numbered or ordered by groups of 10.
Origin: Medieval Latin decimālis, of tenths or tithes, from Latin decima, a tenth part or tithe, from decem, ten; see dekm̥ in Indo-European roots.
- decˈi·mal·ly adverb
decimal - Computer Definition
Meaning 10. The numbering system used by humans, which is based on 10 digits. In contrast, computers use binary numbers because it is easier to design electronic systems that can maintain two states rather than 10.
decimal - Science Definition
- A representation of a real number using the base ten and decimal notation, such as 201.4, 3.89, or 0.0006.
- A decimal fraction.