upthrow

A fault in which a mass of material has been thrown up from below.

Noun

  1. A fault in which a mass of material has been thrown up from below.

Origin

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

Forms

upthrows

Verb

  1. To throw or cast upwards.
    • For fifty tons of water were upthrown / By them per hour [...]. - 1819, Lord Byron, Don Juan, II.29:
  2. To throw up (a mass of material) from below, causing a fault.
  3. To be thrown up from below, causing a fault.

Forms

upthrows upthrowing upthrew upthrown