IMAGINARY NUMBER

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 Dictionary entry overview: What does imaginary number mean? 

• IMAGINARY NUMBER (noun)
  The noun IMAGINARY NUMBER has 1 sense:

1. (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1

  Familiarity information: IMAGINARY NUMBER used as a noun is very rare.

 Dictionary entry details 

• IMAGINARY NUMBER (noun)

Sense 1

Meaning:

(mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

complex number; complex quantity; imaginary; imaginary number

Hypernyms ("imaginary number" is a kind of...):

number (a concept of quantity involving zero and units)

Meronyms (parts of "imaginary number"):

imaginary part; imaginary part of a complex number (the part of a complex number that has the square root of -1 as a factor)

Domain category:

math; mathematics; maths (a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement)

Hyponyms (each of the following is a kind of "imaginary number"):

complex conjugate (either of two complex numbers whose real parts are identical and whose imaginary parts differ only in sign)

real; real number (any rational or irrational number)

pure imaginary number (an imaginary number of the form a+bi where a is 0)