vergence

ver gence |ˈvərjəns ˈvərʤəns | ▶noun 1 Physiology the simultaneous movement of the pupils of the eyes toward or away from one another during focusing. 2 Geology the direction in which a fold is inclined or overturned: a zone of opposing fold vergence. ORIGIN 1980s: common element of convergence and divergence .

vergence

ver |gence |ˈvəːdʒ (ə )ns | ▶noun [ mass noun ] 1 Physiology the simultaneous movement of the pupils of the eyes towards or away from one another during focusing. 2 Geology the direction in which a fold is inclined or overturned: a zone of opposing fold vergence. ORIGIN 1980s: common element of convergence and divergence .