Expressed in the base-ten system, with numbers after a decimal point.

simple past tense and past participle of decimal

present participle of decimal

(typography) A period/full stop ⟨.⟩ or middot ⟨·⟩ used to set off the decimal or fractional part of a number. / (typography, inexact) Any decimal mark, inclusive of commas, separatrices, etc.

(computing) A storage mode that places two decimal digits into one byte, each digit occupying four bits. The sign occupies four bits in the least significant byte.

(mathematics) A number expressed in the decimal system (base ten), (particularly) fractional numbers so represented.

(arithmetic) Arithmetic using decimal numbers.

(arithmetic, dated, chiefly UK, usually in the plural) A decimal place.

(arithmetic) the position of a digit to the right of the decimal point in a decimal number.

plural of decimal point