High Quality Content by WIKIPEDIA articles In philosophy, hyle ( /ˈhaɪliː/; from Greek: ὕλη) refers to matter or stuff. It can also be the material cause underlying a change in Aristotelian philosophy. The Greeks originally had no word for matter in general, as opposed to raw material suitable for some specific purpose or other, so Aristotle adapted the word for "timber" for this purpose. The idea that everything physical...