imaginary number
A number of the form bi, where b is any real number and i denotes the imaginary unitA number of the form bi, where b is any real number and i denotes the imaginary unit.
» Can infinity be an imaginary number?
Cabo · Tatoeba · CC BY 2.0 FRMeaning
2 senses(strict sense)A number of the form bi, where b is any real number and i denotes the imaginary unit.
rein imaginäre Zahl, imaginäre Zahl
мни́мое число́mnímoje čisló
уя́вне число́ujávne čysló
(mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
(broadly)A number of the form a + bi, where a and b are real numbers and b is nonzero.
Examples
8 sentencesCan infinity be an imaginary number?
The calculator I bought does not support imaginary numbers.
ruКалькулятор, который я купил, не поддерживает мнимые числа. — odexed
The calculator I bought cannot work with imaginary numbers.
ruКупленный мною калькулятор неспособен работать с мнимыми числами. — soweli_Elepanto
You cannot add a real number and an imaginary number.
Imaginary numbers are real.
Translations
8 languagesBy meaning 1
By meaning 1
By meaning 1
Origin
The adjective imaginary in this context was first used (as French imaginaire) by René DescThe adjective imaginary in this context was first used (as French imaginaire) by René Descartes in 1673, La Geometrie, referring to imaginary numbers in the broad sense, as non-real roots of polynomials. Descartes' usage was derogatory, but the concept later gained acceptance through the work of Leonhard Euler and Carl Friedrich Gauss in the 18th century.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: imaginary numbers| Singular | imaginary number |
|---|---|
| Plural | imaginary numbers |
regular
Synonyms
4 synonyms- (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1:complex numbercomplex quantityimaginary