imaginary axis

[ ih-maj-uh-ner-ee ak-sis ]

noun

, Mathematics.

1. the vertical axis in an Argand diagram.

Word History and Origins

Origin of imaginary axis¹

First recorded in 1700–05

Example Sentences

Of course only one end of this imaginary axis can be above our horizon.

From Project Gutenberg

Purkinje noticed that the position of the imaginary axis of rotation depends on the axis around which the head revolves.

From Project Gutenberg

Imaginary axis it is, but, acting with the panel, it nevertheless arbitrarily limits the position of all parts within the panel.

From Project Gutenberg

The axis Ox is often called the real axis, and the axis Oy the imaginary axis.

From Project Gutenberg

The whorls of spiral univalves generally take an oblique direction in reference to the imaginary axis of the shell.

From Project Gutenberg