Webster’s Revised Unabridged Dictionary · 1913
Upburst
Up′burst′ (ŭp′bûrst′), n. The act of bursting upwards; a breaking through to the surface; an upbreak or uprush; as, an upburst of molten matter.
Webster’s Revised Unabridged Dictionary · 1913
Up′burst′ (ŭp′bûrst′), n. The act of bursting upwards; a breaking through to the surface; an upbreak or uprush; as, an upburst of molten matter.