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.
The Weighted Average Cost of Capital (WACC) is one of the most important measures in corporate finance. According to Wikipedia. The weighted average cost of capital (WACC) is the rate that a company is expected to pay on average to all its security holders to finance its assets.