VIS n.
perty by which it is given. -- Vis mortua Etym: [L.] (Mech.), dead force; force doing no active work, but only producing pressure. -- Vis vitæ, or Vis vitalis Etym: [L.] (Physiol.), vital force. -- Vis viva Etym: [L.] (Mech.), living force; the force of a body moving against resistance, or doing work, in distinction…
VOLCANIC a.
tion; the points beneath volcanoes where the causes producing volcanic phenomena are most active. -- Volcanic glass, the vitreous form of lava, produced by sudden cooling; obsidian. See Obsidian. -- Volcanic mud, fetid, sulphurous mud discharged by a volcano. -- Volcanic rocks, rocks which have been produced from th…