Meaning of BINARY in English

I. ˈbī-nə-rē, -ˌner-ē, -ˌne-rē noun

( plural -ries )

Date: 15th century

: something made of or based on two things or parts: as

a. : binary star

b. : a binary number system

II. adjective

Etymology: Late Latin binarius, from Latin bini two by two — more at bin-

Date: 1597

1. : compounded or consisting of or marked by two things or parts


a. : duple — used of measure or rhythm

b. : having two musical subjects or two complementary sections


a. : relating to, being, or belonging to a system of numbers having 2 as its base

the binary digits 0 and 1

b. : involving a choice or condition of two alternatives (as on-off or yes-no)


a. : composed of two chemical elements, an element and a radical that acts as an element, or two such radicals

b. : utilizing two harmless ingredients that upon combining form a lethal substance (as a gas)

binary weapons

5. : relating two logical or mathematical elements

a binary operation

6. : of or relating to the use of stable oppositions (as good and evil) to analyze a subject or create a structural model

the binary opposition of male and female — Joan W. Scott

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.