| NOUN | quantity | complex number, complex quantity, imaginary number, imaginary | (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1 |
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| Meaning | (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1. | |
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| Synonyms | complex quantity, imaginary number, imaginary | |
| Category | mathematics, math, maths | A science (or group of related sciences) dealing with the logic / logic of quantity and shape and arrangement |
| Parts | imaginary part, imaginary part of a complex number | The part of a complex number that has the square root of -1 as a factor |
| Narrower | complex conjugate | Either of two complex numbers whose real parts are identical and whose imaginary parts differ only in sign |
| pure imaginary number | An imaginary number of the form a+bi where a is 0 | |
| real number, real | Any rational or irrational number | |
| Broader | number | A concept of quantity involving zero and units |
| Spanish | número complejo, número imaginario | |
| Catalan | nombre complex, nombre imaginari | |
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