boolean
boolean Lexical Profile
• adjective
Relating to or denoting an algebraic system of logic in which variables and expressions have only two possible truth values, typically represented as true or false (or 1 and 0).
"You can refine your database query by combining search terms with Boolean operators such as AND, OR, and NOT."
• noun
In computer programming, a data type, variable, or expression that can hold only one of two possible values: true or false.
"The function returns a boolean indicating whether the user's password meets the security requirements."
• Rhymes for boolean
Word Origin & Etymology
Named after the 19th-century English mathematician and logician George Boole (1815–1864), who formulated the algebraic system of symbolic logic that later became foundational to digital circuit design and computer science.
Usage Trend
Historical frequency of usage in published text.