Argand diagram
Concise Oxford English Dictionary © 2008 Oxford University Press:
Argand diagram /ˈɑːgənd/
▶noun Mathematics a graph on which complex numbers can be represented, the horizontal coordinate representing the real part of the number and the vertical coordinate the imaginary part.
– origin early 20th cent.: named after the French mathematician J. R. Argand.
'Argand diagram' also found in these Oxford entries:
