(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..

(astronomy) Two gravitationally connected stars or other celestial objects which orbit around their center of mass.

(genetics) A composite organism created from the combination of DNA from two separate genetic sources, rather than one. Essentially, a binary clone is the naturally produced offspring with germ cells, or else artificially produced offspring of two individuals that has been created without using germ cells.

plural of binary noun

A binary star system where one of the stars is a pulsar.

plural of binary search

(computing theory) A search for a value within a sorted array by repeatedly comparing the target value with the middle element; if they are unequal, the half in which the target cannot lie is eliminated and the comparison is repeated on the remaining half.

plural of binary compound

plural of binary pulsar

plural of binary digit