- imaginary unit
- noun Date: circa 1911 the positive square root of minus 1 denoted by i or + √-1

*New Collegiate Dictionary.
2001.*

- imaginary unit
- noun Date: circa 1911 the positive square root of minus 1 denoted by i or + √-1

*New Collegiate Dictionary.
2001.*

**imaginary unit**— n. the square root of negative one; √P1: abbrev. i … English World dictionary**Imaginary unit**— i in the complex or cartesian plane; real numbers fall on the horizontal axis, and imaginary numbers fall on the vertical axis In mathematics, the imaginary unit allows the real number system ℝ to be extended to the complex number system ℂ, which … Wikipedia**imaginary unit**— Math. the complex number i. [1905 10] * * * … Universalium**imaginary unit**— imag′inary u′nit n. math. the complex number i • Etymology: 1905–10 … From formal English to slang**imaginary unit**— noun : the positive square root of minus 1 : +√ 1 symbol i * * * Math. the complex number i. [1905 10] … Useful english dictionary**Unit**— may refer to:In mathematics: * Unit vector, a vector with length equal to 1 * Unit circle, the circle with radius equal to 1, centered at the origin * Unit interval, the interval of all real numbers between 0 and 1 * Imaginary unit, i , whose… … Wikipedia**Imaginary number**— In mathematics, an imaginary number (or purely imaginary number) is a complex number whose squared value is a real number not greater than zero.Ahlfors, Lars V. Complex Analysis. 3rd Ed. New York: McGraw Hill, 1979. Pages 1 4.] The imaginary unit … Wikipedia**Imaginary part**— In mathematics, the imaginary part of a complex number z, is the second element of the ordered pair of real numbers representing z, i.e. if z = (x, y) , or equivalently, z = x+iy, then the imaginary part of z is y. It is denoted by Im (z) or Im{… … Wikipedia**imaginary**— adjective Date: 14th century 1. a. existing only in imagination ; lacking factual reality b. formed or characterized imaginatively or arbitrarily < his canvases, chiefly imaginary, somber landscapes Current Biography > 2. containing or relating… … New Collegiate Dictionary**imaginary part**— noun the part of a complex number that has the square root of 1 as a factor • Syn: ↑imaginary part of a complex number • Hypernyms: ↑pure imaginary number • Part Holonyms: ↑complex number, ↑complex quantity, ↑ … Useful english dictionary