hermetically-sealed unit

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• sealed-beam headlight — /seeld beem / a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit. Also called sealed beam. * * * sealed beam headlight «SEELD BEEM», an automobile headlight in which filament, lens, and …   Useful english dictionary

• sealed-beam headlight — /seeld beem / a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit. Also called sealed beam. * * * …   Universalium

• Winchester disk — Win′chester disk′ n. cmp a hard disk permanently mounted in a hermetically sealed unit that is housed either within a computer s CPU or in an external disk drive case • Etymology: 1970–75; from the designation for the prototype, 3030 (two disks… …   From formal English to slang

• Gas compressor — A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are… …   Wikipedia

• TXE — TXE, which stands for Telephone eXchange Electronic, was the designation given to a family of telephone exchanges developed by the British General Post Office (GPO), now BT, designed to replace the ageing Strowger systems. When World War II ended …   Wikipedia

• Insulated glazing — (IG) also known as double glazing are double or triple glass window panes separated by an air or other gas filled space to reduce heat transfer across a part of the building envelope. Glass in windows is used to provide light and allow a view… …   Wikipedia

• Neurostimulation — Intervention OPS 301 code: 8 631 Neurostimulation involves modulation of the nervous system and electrically activate neurons in the body. The activation of neural elements in a part of the nervous system can be effectively facilitated by… …   Wikipedia

• Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …   Wikipedia

• Induction sealing — Induction sealing, otherwise known as cap sealing, is a non contact method of heating a metallic disk to hermetically seal the top of plastic and glass containers. This sealing process takes place after the container has been filled and… …   Wikipedia

• seal — {{Roman}}I.{{/Roman}} noun 1 animal ADJECTIVE ▪ baby VERB + SEAL ▪ hunt ▪ club ▪ The ad criticized hunters for clubbing baby seals …   Collocations dictionary

• Al Qa'qaa high explosives controversy — The Al Qa qaa high explosives controversy concerns the possible removal by Baathist insurgents of about 377 tonnes of high explosives HMX and RDX after the 2003 invasion of Iraq.[1] The explosives, considered dangerous by the International Atomic …   Wikipedia