upthrow
noun
1. (geology) a rise of land to a higher elevation (as in the process of mountain building)
Similar word(s): upheaval, uplift, upthrust
Definition categories: event, ascension, ascent, rise, rising
verb
1. (archaic, poetic) To throw or cast upwards.
2. (geology, transitive) To throw up (a mass of material) from below, causing a fault.
3. (geology, intransitive, of a mass of material) To be thrown up from below, causing a fault.