The Ghana winger had been in the waiting for his Villa debut after being consigned to the treatment room by a thigh strain.
The Ghana international came on in the 82nd minute for Leandro Bacuna at the Portman Road Stadium as the two promotion hopefuls shared the spoils.
The ex-Middlesbrough winger has missed all 7 of Villa's Championship games due to a groin problem since his switch from the Riverside in the summer transfer window.
His Black Stars team-mate Jordan Ayew played the full duration of the game.
Adomah made 43 league appearances for Middlesbrough last season, netting six times.