(dated) A binary (base-2) numeral. / (informal) Used other than figuratively or idiomatically: A decimal (numeral written as a concatenation of successive negative powers of the base) in base 2..

(idiomatic) ten, a group of ten

plural of place of decimals

plural of decimal candle

(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 dozen

plural of repeating decimal

plural of packed decimal

(mathematics, informal) Bijective numeration in base ten.

(computing) A decimal number encoded in such a way that each digit is represented by its own binary sequence, simplifying conversion from binary to decimal.