binary system

Noun

 * 1)  Two gravitationally connected stars or other celestial objects which orbit around their center of mass.
 * 2)  A numeric system with a base of 2, using only the numerals 0 and 1.
 * 1)  A numeric system with a base of 2, using only the numerals 0 and 1.

Translations

 * Chinese:
 * Mandarin:
 * Finnish:
 * Polish: binarny system
 * Welsh: system ddeuaidd