- The total area of the circle swept by the main rotor of a helicopter as it rotates.
Aviation dictionary. 2014.
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Disc golf — Highest governing body Professional Disc Golf Association Registered players 52000+ total, 12859 current … Wikipedia
Disc Makers — Type Private Industry Music, Independent Music, CD Manufacturing, and Manufacturing Founded Philadelphia, Pennsylvania (1966) Founder(s) Ivin Ballen … Wikipedia
area pellucida — area pel·lu·ci·da pə lü səd ə n the pellucid central area that immediately surrounds a vertebrate embryo (as of a bird) formed by discoidal cleavage * * * the central clear part of the embryonic disc, as seen in the bird egg … Medical dictionary
Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with … Wikipedia
Disc dog — A dog catches a flying disc in mid air Disc dog is the more generic name for what is commonly called Frisbee dog. In disc dog competitions, dogs and their human flying disc throwers compete in events such as distance catching and somewhat… … Wikipedia
Disc permeameter — The disc permeameter is a field instrument used for measuring water infiltration in the soil, which is characterized by in situ saturated and unsaturated soil hydraulic properties. It is mainly used to provide estimates of the hydraulic… … Wikipedia
Area 51 — This article is about the U.S. Air Force installation in Nevada. For other uses, see Area 51 (disambiguation). Area 51 … Wikipedia
Disc jockey — DJ and DJs redirect here. For other uses, see DJ (disambiguation) and DJs (disambiguation). Club Eifel s DJ Blaze performing at the 2009 Air Force Ball. A disc jockey, also known as DJ, is a person who selects and plays recorded music for an… … Wikipedia
Disc shedding — The retina contains two types of photoreceptor – rod cells and cone cells. There are about 6 7 million cones that provide color vision to the eye, and they are very concentrated in a central spot in the retina, called the macula. However, the… … Wikipedia
Disc barrow — Section and plan of a generic disc barrow A disc barrow is a type of tumulus or round barrow, a variety of fancy barrow identified in English Heritage s Monument Class Descriptions. A disc barrow comprises a circular or oval shaped flat platform … Wikipedia