imaginary : Idioms & Phrases

Index

imaginary being

  • noun a creature of the imagination; a person that exists only in legends or myths or fiction
    imaginary being.
WordNet

Imaginary calculus

  • See under Calculus.
Webster 1913

imaginary creature

  • noun a creature of the imagination; a person that exists only in legends or myths or fiction
    imaginary being.
WordNet

Imaginary expression ∨ 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.
Webster 1913

imaginary number

  • noun (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
    imaginary; complex number; complex quantity.
WordNet

imaginary part

  • noun the part of a complex number that has the square root of -1 as a factor
    imaginary part.
WordNet

imaginary part of a complex number

  • noun the part of a complex number that has the square root of -1 as a factor
    imaginary part.
WordNet

imaginary place

  • noun a place that exists only in imagination; a place said to exist in fictional or religious writings
    fictitious place; mythical place.
WordNet

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.
Webster 1913

pure imaginary number

  • noun an imaginary number of the form a+bi where a is 0
WordNet