Upthrow

noun, verb

Definitions

Noun
  1. 1
    A fault in which a mass of material has been thrown up from below.
  2. 2
    (geology) a rise of land to a higher elevation (as in the process of mountain building) wordnet
Verb
  1. 1
    To throw or cast upwards. archaic, poetic

    "For fifty tons of water were upthrown / By them per hour [...]."

  2. 2
    To throw up (a mass of material) from below, causing a fault. transitive
  3. 3
    To be thrown up from below, causing a fault. intransitive

Etymology

Etymology 1

From Middle English upthrowen, equivalent to up- + throw.

Etymology 2

From Middle English upthrowen, equivalent to up- + throw.

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