noun
- Plural of protyle; hypothetical primitive matter or substance from which all chemical elements are theorized to have originated (chiefly historical/scientific philosophy).
Usage: archaic; scientific philosophy; rarely used in modern chemistry
Examples
- Nineteenth-century chemists speculated about protyles as the fundamental building blocks of matter.
- The concept of protyles was largely abandoned once atomic theory became well-established.
- Some early scientific philosophers believed all elements descended from a single protyle.