imaginary : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: imaginary	by the DICT Development Group
3 results for imaginary
From WordNet (r) 3.0 (2006) [wn]:
imaginary adj not based on fact; unreal; "the falsehood about some fanciful secret treaties"- F.D.Roosevelt; "a small child's imaginary friends"; "to create a notional world for oneself" Synonym(s): fanciful, imaginary, notional n (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1 Synonym(s): complex number, complex quantity, imaginary number, imaginary
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Imaginary \Imag"inary\, a. [L. imaginarius: cf. F. imaginaire.] Existing only in imagination or fancy; not real; fancied; visionary; ideal. Wilt thou add to all the griefs I suffer Imaginary* ills and fancied tortures? --Addison. {Imaginary calculus} See under {Calculus}. {Imaginary expression} [or] {quantity} (Alg.), an algebraic expression which involves the impossible operation of taking the square root of a negative quantity; as, [root]-9, a + b [root]-1. {Imaginary points}, {lines}, {surfaces}, etc. (Geom.), points, lines, surfaces, etc., imagined to exist, although by reason of certain changes of a figure they have in fact ceased to have a real existence. Syn: Ideal; fanciful; chimerical; visionary; fancied; unreal; illusive.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Imaginary \Imag"inary\, n. (Alg.) An imaginary* expression or quantity.