1. the action of throwing something upward
Usage: rare
2. an upward displacement of rock strata along a fault
Usage: geology

Examples

• The upthrowing of the ball reached impressive heights.
• The geological survey revealed evidence of upthrowing in the rock formation.
• The fault showed clear signs of upthrowing on the eastern side.
• The upthrowing motion sent debris high into the air.
• Scientists studied the upthrowing of sedimentary layers.