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Definition of Imaginary
1. Adjective. Not based on fact; unreal. "To create a notional world for oneself"
2. Noun. (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1.
Category relationships: Math, Mathematics, Maths
Generic synonyms: Number
Specialized synonyms: Complex Conjugate, Real, Real Number, Pure Imaginary Number
Terms within: Imaginary Part, Imaginary Part Of A Complex Number
Definition of Imaginary
1. a. Existing only in imagination or fancy; not real; fancied; visionary; ideal.
2. n. An imaginary expression or quantity.
Definition of Imaginary
1. Adjective. existing only in the imagination ¹
2. Adjective. (mathematics) of a number, having no real part; that part of a complex number which is a multiple of the square root of -1. ¹
3. Noun. Imagination; fancy. (defdate from 16th c.) ¹
4. Noun. (mathematics) An imaginary quantity. (defdate from 18th c.) ¹
¹ Source: wiktionary.com
Definition of Imaginary
1. [n -RIES]
Medical Definition of Imaginary
1.
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)