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

(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.

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

(arithmetic) Arithmetic using decimal numbers.

(mathematics) A numerical system of counting in tens.

plural of place of decimals

Prior to decimalisation (specifically the decimalisation of British and Irish currency).

(historical) A photometric standard formerly used in France, having the value of one twentieth of the Violle platinum standard, or slightly less than a British standard candle.

plural of decimal candle

plural of packed decimal