Imaginary expression

(Alg.) an algebraic expression which involves the impossible operation of taking the square root of a negative quantity; as, ?-9, a + b ?-1.

See also: Imaginary

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Jacob describes his abstract art as "imaginary expression," or the product of the expressions inside him.
is a narrative device of m ediation," allowing "a fictional exploration of the relationship between the races while being at the same time an imaginary expression of the relationship between the races" (171).