decimal

Short definition from Wiktionary

Adjective

1. 1
   Concerning numbers expressed in decimal or mathematical calculations performed using decimal.

Noun

1. 1
   A number expressed in the base-ten system, (particularly) a fractional numeral written in this system.
2. 2
   The decimal system itself.
3. 3
   A decimal place.
4. 4
   A decimal point.
5. 5
   Alternative spelling of dismil.

Verb

1. 1
   To represent with numbers after a decimal point.