Medium of motion; positive ether

one of the six eternal uncreated substances.

Compared to Ether, nowadays accepted in Science, in its "positiv" state:

"positiv" Ether	dharmastikaya	Medium of motion
"negativ" Ether	adharmastikaya	Medium of rest

One of the six fundamental Dravyas (substances) or five Astikāyas (extended substances); The substance, which is the unique inevitable medium of motion, passively assisting in the motion of the Jīvas (souls or living beings) and the pudgalas (physical substances), which are apt to undertake motion;

• it is only one (single) in number with respect to substance;
• it is eternal, non-corporeal (i.e., devoid of colour etc.);
• it is pervading the whole Loka (cosmos);
• it has innumerable number of Pradeśas (the indivisible units of the substance);
• it is antithesis of Adharmāstikāya (fundamental substance quâ medium of rest).

Anekanta : Philosophy Of Co-Existence
by Acharya Mahaprajna