The Terriers (14-13, 9-4 America East Conference) trailed 47-43 with 8:10 left in the second half when Hartford's Anthony Minor made a jumper. But Boston University held the Hawks (8-17, 5-7) scoreless for nearly eight minutes while scoring 18 straight points to claim a 14-point lead.
Holland scored seven points and Partin added five during the run for the Terriers, who shot 54.2 percent (13 of 24) from the floor and knocked down six 3-pointers after going 1-for-10 from beyond the arc in the first half.
Boston University also had a rebounding edge — 40-19.
Hartford struggled from the field, shooting 35.4 percent (17 of 48) for the game.
Morgan Sabia led Hartford with 14 points and Minor added 11.