from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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.
  • n. A number written using the base 10.
  • adj. Expressed or expressible as a decimal.
  • adj. Based on 10.
  • adj. Numbered or ordered by groups of 10.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The number system that uses the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.
  • n. A number expressed in this system.
  • n. A decimal place.
  • n. A numeral written as a concatenation of successive negative powers of the base.
  • n. A decimal point.
  • adj. Concerning numbers expressed in decimal or mathematical calculations performed using decimal.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to decimals; numbered or proceeding by tens; having a tenfold increase or decrease, each unit being ten times the unit next smaller
  • n. A number expressed in the scale of tens; specifically, and almost exclusively, used as synonymous with a decimal fraction.

from The Century Dictionary and Cyclopedia

  • Pertaining to the tenth or to tens; proceeding by tens.
  • Relating to tithes.
  • n. An expression denoting a decimal fraction by an extension of the decimal notation.
  • Of an angle, one sixtieth of a right angle.
  • Of an arc, one two-hundred-and-fortieth of a circumference.
  • Of time, 0.01 of an hour; 0.6 of an ordinary minute.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. numbered or proceeding by tens; based on ten
  • n. a number in the decimal system
  • n. a proper fraction whose denominator is a power of 10


Medieval Latin decimālis, of tenths or tithes, from Latin decima, a tenth part or tithe, from decem, ten.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Medieval Latin decimalis, from Latin decimus, from decem, ten + adjective suffix -alis (Wiktionary)



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  • A Lecherous lickspittle. Also known as 'Avorton_Loqueteux'.

    July 16, 2008