n. 1 crack, split; break (in cloud etc.). 2 disagreement; breach. 3 cleft in earth or rock. v. tear or burst apart. [Scandinavian: related to RIVEN] riftvalley n. steepsided valley formed by subsidence between nearly parallel faults.
n. 1 crack, split; break (in cloud etc.). 2 disagreement; breach. 3 cleft in earth or rock. v. tear or burst apart. [Scandinavian: related to RIVEN] riftvalley n. steepsided valley formed by subsidence between nearly parallel faults.
