P0389500 (no͞o′mə-tŏl′ĭ-sĭs, nyo͞o′-)n. A process of rock alteration or mineral formation brought about by the action of gases emitted from solidifying magma.pneu′ma·to·lyt′ic(-tə-lĭt′ĭk) adj.
pneumatolytic
(njuːˌmætəˈlɪtɪk) adj (Geological Science) geology resulting from pneumatolysis
pneumatolytic
pneumatolytic
[¦nü·məd·ō¦lid·ik] (geology) Formed by gaseous agents.