Self-reported average energy intake of 2,640 calories for men and 1,785 calories per day for women is within current USDA recommendations. However, since the majority of men and women in the U.S. are overweight or obese, many are eating more calories than they require.
1. diastema-a gap or vacant space between two teeth. opening, gap-an open or empty space in or between things; there was a small opening between the trees; the explosion made a gap in the wall.
Freebase (0.00 / 0 votes) Rate this definition: Thymoma. Thymoma is a tumor originating from the epithelial cells of the thymus. Thymoma is an uncommon tumor, best known for its association with the neuromuscular disorder myasthenia gravis. Thymoma is found in 15% of patients with myasthenia gravis. Once diagnosed, thymomas may be removed surgically.