An antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn.n antacid is a substance which neutralizes stomach acidity, which in turn relieves heartburn.
Hip is the region below the waist and above the thigh. It includes the buttocks (which only refers to the back muscle). It includes the flesh and internal anatomy of this area especially the bones, hence you have hip joints.
thigh. 1  ham, hamstring - Originally, the part of the leg behind the knee was called the ham, and then the tendon near the ham was the hamstring; by extension, the ham became the thigh and buttock together. 2  haunch - The buttock and thigh together. 3  hockshin, gambrel - The underside of the thigh is the hockshin or gambrel.