The roof of the mouth or the palate can easily become disturbed. The mouth is a sensitive part of the body which frequently comes into contact with foreign substances which can cause a negative reaction in the body. The palate can become sore or it can develop a burning sensation.
Definition of Wac. : a member of a U.S. Army unit created for women during World War II and discontinued in the 1970s.
Variance At Completion (VAC) per Project. Variance at Completion (VAC) is a project management key performance indicator that shows the difference (in dollars) between the starting project budget (Total Budgeted Cost) and the forecasted project budget when the project is complete (Estimate at Completion or EAC).