- primary holes
- Those through which primary air enters a gas turbine engine. See primary combustion.
Aviation dictionary. 2014.
primary holes
Look at other dictionaries:
Formation and evolution of black holes — From the exotic nature of black holes, it is natural to question if such bizarre objects could actually exist in nature or that they are merely pathological solutions to Einstein s equations. However in 1970, Hawking and Penrose proved the… … Wikipedia
Franklin D. Roosevelt: Proposal for Lend-Lease — ▪ Primary Source As Britain s situation in the war grew more desperate, her ability to pay for needed arms and material rapidly diminished. Following his election to a third term in November 1940, President Roosevelt determined to… … Universalium
J.S. Pennell: The History of Rome Hanks — ▪ Primary Source Starkly realistic in its portrayal of Pickett s Charge, this excerpt from Joseph Pennell s novel The History of Rome Hanks and Kindred Matters is a graphic answer to the question William Faulkner poses in his description of … Universalium
Effect of Hedgerow Terrain on Infantry Tactics — ▪ Primary Source 1st U.S. Army Report of Operations 20 Oct. 1943 1 Aug. 1944 In reporting on the conduct of operations during the first phase of Operation Overlord (the code name for the Normandy Invasion), the U.S. First Army passed… … Universalium
arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… … Universalium
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… … Universalium
materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… … Universalium
