Since oil is, above all, the name of the liquid extract of olives Sun 16 August 2015 | Society > Culture > Dixit Thomas Aquinas …Since oil is, above all, the name of the liquid extract of olives, for other liquids are only called oil from their likeness to it… St. Thomas Aquinas Summa theologica III, 29, 4 Thomas Aquinas Subscribe to newsletters Subscribe Registrati alla newsletter ×