/ English Dictionary |
IMAGINARY NUMBER
Pronunciation (US): | (GB): |
I. (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
Synonyms:
complex number; complex quantity; imaginary; imaginary number
Classified under:
Nouns denoting quantities and units of measure
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)