The game lasted over three hours after a lightning delay forced the teams to move indoors with 12:28 left to play and the scored tied at 13.
Once inside the Ryan Fieldhouse, Maryland took over, scoring the game’s final four goals for its eighth victory over a top-10 opponent this season.
Senior attacker Caroline Steele (Severna Park) scored five goals and graduate midfielder Erica Evans added four to lead the Terps, who remain undefeated at 15-0. Senior goalkeeper Megan Taylor (Glenelg) made 11 saves.
Selena Lasota scored six goals for the Wildcats (9-4).
Maryland has two regular-season games remaining — at Georgetown on Wednesday and home against No. 17 Johns Hopkins on April 27 — before the Big Ten tournament begins May 3 in Baltimore.