二に分ぶん探たん索さくMeaningsNoun1. binary searchKanji used二two分part探to feel around for索linkComposed of二に分ぶんhalving; dividing (into two parts); bisection; the two equinoxes (vernal and autumnal)Noun探たん索さくsearch; lookup; hunt; (item of) research; exploration; investigationNoun