The Terps fall to 0-3 in conference play after another slow start.
The Terps were no match for a massive 35-point performance from the Hawkeyes' Keegan Murray.
The Terps and the Bears finished with 44 combined fouls and Maryland's starting five combined for 79 of its 81 points.
The Terps relied on a strong night from Eric Ayala to move past the Mountain Hawks.
Fatts Russell and Eric Ayala combined for 38 points in the Terps' first win under interim head coach Danny Manning.
The Terps were plagued by the same shooting issues as before in their conference opener against Northwestern.
Wahab often starts strong for the Terps, but is routinely taken out of games down the stretch.
The Terps trailed at the half for the fifth time at home this season and were unable to hold the lead they gained early in the second period.
The Hokies have struggled against teams that shoot well this season.