(American football) a play in which a defensive player is allowed to cross the line of scrimmage and then blocked off as the runner goes through the place the lineman vacated
(electronics) electronic device that amplifies a signal before transmitting it again; "repeaters can be used in computer networks to extend cabling distances"
a person who repeats; "the audience consisted largely of repeaters who had seen the movie many times"
the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs
a single complete act of breathing in and out; "thirty respirations per minute"
a hollow device made of metal that makes a ringing sound when struck
the flared opening of a tubular device
the sound of a bell being struck; "saved by the bell"; "she heard the distant toll of church bells"
United States inventor (born in Scotland) of the telephone (1847-1922)
English painter; sister of Virginia Woolf; prominent member of the Bloomsbury Group (1879-1961)
a phonetician and father of Alexander Graham Bell (1819-1905)
the shape of a bell
(nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m.
respirator that produces alternations in air pressure in a chamber surrounding a patient's chest to force air into and out of the lungs thus providing artificial respiration