Although "binary" can be used for anything with two parts, it is now used especially in relation to computers and information processing. Digital computers use the binary number system, which …

BINARY definition: consisting of, indicating, or involving two. See examples of binary used in a sentence.

Nov 26, 2025 · Binary is a base-2 number system invented by Gottfried Leibniz that's made up of only two numbers or digits: 0 (zero) and 1 (one). This numbering system is the basis for all binary code, …

Jun 18, 2025 · What is a simple definition of binary? Binary is a numerical system that uses only two digits — 0 and 1 — to represent data values, often in a computing system.

BINARY definition: 1. using a system of numbers that uses only 0 and 1: 2. relating to or consisting of two things…. Learn more.

Jun 6, 2025 · Binary describes a numbering scheme in which there are only two possible values for each digit -- 0 or 1 -- and is the basis for all binary code used in computing systems.

The binary system expresses numbers using only the two digits 0 and 1. It is used especially in computing.

There are 19 meanings listed in OED's entry for the word binary, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

BINARY meaning: 1 : relating to or consisting of two things or parts; 2 : relating to or involving a method of calculating and of representing information especially in computers by using the numbers 0 and 1

Define binary. binary synonyms, binary pronunciation, binary translation, English dictionary definition of binary. ) adj. 1. Characterized by or consisting of two parts or components; twofold.