'Quantum' means that which is divisible into two or more constituent parts of which each is by nature a 'one' and a 'this'. A quantum is a plurality if it is numerable, a magnitude if it is a measurable.
"Kantitatea" esaten zaio berebaitako zatietan zatigarria denari, zati hauetako bakoitza, banaka hartuta, berez bat den zerbait eta zehaztutako zerbait direlarik.