high-compression — [hī΄kəm presh′ən] adj. of a modern type of internal combustion engine designed so that the fuel mixture is compressed into a smaller cylinder space, resulting in more pressure on the pistons and more power … English World dictionary
high compression head — A cylinder head with a smaller combustion chamber area thereby raising the compression. The head can be custom built or can be a stock head milled (cut) down … Dictionary of automotive terms
Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… … Wikipedia
compression — [1] Applying pressure to a spring, or any springy substance, thus causing it to reduce its length in the direction of the compressing force. [2] Applying pressure to a gas, thus causing a reduction in volume. [3] One of the essential factors in a … Dictionary of automotive terms
compression head — See high compression head … Dictionary of automotive terms
Compression molding — Compression molded rubber boots before the flashes are removed. Compression molding is a method of molding in which the molding material, generally preheated, is first placed in an open, heated mold cavity. The mold is closed with a top force or… … Wikipedia
Compression stockings — and socks are specialised hosiery items designed to increase blood circulation. Their main theraputic purpose is to provide graduated pressure on the lower leg and foot and, in some cases, the thigh, to alleviate circulatory problems such as… … Wikipedia
High pressure nervous syndrome — (HPNS) is a neurological and physiological diving disorder that results when a diver spends too much time breathing a high pressure mixture of helium and oxygen (heliox).cite book |title=Bennett and Elliott s physiology and medicine of diving,… … Wikipedia
High explosive squash head — (HESH) is a type of explosive ammunition that is effective against buildings and is also used against tank armour. It was fielded chiefly by the British Army as the main explosive round of its main battle tanks during the Cold War. It was also… … Wikipedia
High motion — is the characteristic of video or film footage displayed possessing a sufficiently high frame rate (or field rate) that moving images do not blur or strobe even when tracked closely by the eye. The most common forms of high motion are NTSC and… … Wikipedia