a class of US postage designated for sending books, recordings, and computer media
Media mail was a USPS term as of Jan. 7, 2001; formerly called Book Rate.
- Medial vastus muscle
medial vastus muscle medial vas·tus muscle (vās’təs) n. A muscle with origin from the shaft of the femur, with insertion into the tibial tuberosity, with nerve supply from the femoral nerve, and whose action extends the leg. Also called medial great muscle.
[mee-dee-uh n] /ˈmi di ən/ noun 1. Arithmetic, Statistics. the middle number in a given sequence of numbers, taken as the average of the two middle numbers when the sequence has an even number of numbers: 4 is the median of 1, 3, 4, 8, 9. 2. Geometry. a straight line from a vertex of […]
- Median artery
median artery n. An artery with its origin in the anterior interosseous artery and with distribution to the palm.
- Median bar of mercier
median bar of Mercier n. A band of fibromuscular tissue encircling the interureteric ridge of the urinary bladder, which occasionally can obstruct the urinary tract.