Bass Drum

Entertainment / Music / Bass Drum: The bass drum is a large membranophone of indefinite pitch that is played with a soft-headed stick: it produces a low, heavy sound that is heard prominently in this march.
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Drumlin

Science / Geology / Drumlin: A low, smoothly rounded, elongate hill. Drumlins are deposits of compacted till that are sculpted beneath the ice of a flowing glacier. The long axis of a drumlin parallels the flow direction of the i MORE

Drum Brake

Technology / Motorcycle / Drum Brake: A Drum Brake is the older style of motorcycle brake. Most bikes use disc brakes these days. Drum brakes work by forcing brake shoes against the inside of a rotating drum that is part of the wheel. Man MORE

Bass

Technology / Home Audio / Bass: The portion of the audible sound spectrum that contains the lowest frequencies. These frequencies have the longest wavelength and require considerably greater electrical power to render them at their MORE

Figured Bass

Entertainment / Music / Figured Bass: Baroque practice consisting of an independent bass line that often includes numerals indicating the harmony to be supplied by the performer. Also thorough-bass. MORE

Ground Bass

Entertainment / Music / Ground Bass: A repeating melody, usually in the bass, throughout a vocal or instrumental composition. MORE

Tenor Drum

Entertainment / Music / Tenor Drum: Percussion instrument, larger than the snare drum, with a wooden shell. MORE