blood type
biol. One of the classes (such as those designated A, B, AB, or O) into which individuals or their blood can be separated on the basis of the presence or […]
blood-brain-barrier
biol. A network of blood vessels and tissue that is made up of closely spaced cells and helps keep harmful substances from reaching the brain. The blood-brain barrier lets some […]
Blu-ray DVD
phys. An optical disk used to store digital information such as high-definition video, and able to store more information than a standard DVD. (blu, a respelling of blue, from the […]
Blu-ray DVD player
phys. A stand-alone electronic device capable of reading a Blu-ray disc and decoding the recorded data to produce an audiovisual stream that can be played back on a video monitor. […]
blue whale
biol. The largest animal ever to have lived on earth, weighing about 150 tons and measuring up to 100 feet long; it has remarkable speed and agility for its size […]