Cumulative Term for $XY, YZ$ and also $ZX$ Planes
" Principal aircrafts" (and also major axes, major estimates) are terms made use of in design, style and also technological illustration when making use of orthogonal estimates (generally numerous of them) to stand for a 3 - dimensional photo. Names of various other areas where the very same words can emerge : detailed geometry, viewpoint illustration, computer system graphics, axonometry, evaluating, geodesy, imaginative viewpoint.
In maths, "coordinate aircrafts" is entirely typical, as can be seen from the first comment and also its numerous upvotes.
In addition to being non - criterion, use "major" to describe the coordinate axes or aircrafts is inaccurate, and also it problems with an internet of various other (valuable due to the fact that equally regular) terms such as major axes of an ellipsoid or of a stress and anxiety, major part evaluation in data, major diagonal of a matrix. One intends to maintain the last terms as they are due to the fact that they all are sharing the very same circle of principles connected to diagonalization of square kinds. So "coordinate aircrafts" it is.