seal plug

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• Seal (mechanical) — Compression seal example A mechanical seal is a device which helps join systems or mechanisms together by preventing leakage (e.g., in a plumbing system), containing pressure, or excluding contamination. The effectiveness of a seal is dependent… …   Wikipedia

• seal — seal1 [sēl] n. [ME seel < OFr < L sigillum, a seal, mark, dim. of signum: see SIGN] 1. a design, initial, or other device placed on a letter, document, etc., as a mark of genuineness or authenticity: letters were, esp. formerly, closed with …   English World dictionary

• plug — [n1] stopper bung, connection, cork, filling, fitting, occlusion, river, spigot, stopple, tampon, wedge; concepts 471,836 Ant. mouth, opening plug [n2] publicity advertisement, blurb*, good word*, hype*, mention, push*, write up; concept 274 plug …   New thesaurus

• seal — [n] authentication; stamp allowance, assurance, attestation, authorization, cachet, confirmation, imprimatur, insignia, notification, permission, permit, ratification, signet, sticker, tape, tie; concepts 284,685 Ant. disapproval, refusal seal… …   New thesaurus

• plug — 1. noun 1) she pulled out the plug Syn: stopper, bung, cork, seal, spile 2) a plug of tobacco Syn: wad, quid, twist, chew, cake, stick 3) informal …   Thesaurus of popular words

• plug — Synonyms and related words: PR, acknowledgment, advert, advertise, advertisement, advocate, appreciation, back, bait, balker, balky horse, ballyhoo, bar, bark, bill, bind, birdlime, block, block up, blockade, blurb, bola, boost, bright light,… …   Moby Thesaurus

• plug — A removable cork or stopper which fills a hole. See blanking plug coil glow plug cold plug core hole plug core plugs drain plug drain plug key drain plug spanner drain plug wrench …   Dictionary of automotive terms

• seal — seal1 sealable, adj. /seel/, n. 1. an embossed emblem, figure, symbol, word, letter, etc., used as attestation or evidence of authenticity. 2. a stamp, medallion, ring, etc., engraved with such a device, for impressing paper, wax, lead, or the… …   Universalium

• seal — I. /sil / (say seel) noun 1. a device impressed on a piece of wax or the like, or an impression, wafer, etc., affixed to a document as evidence of authenticity or attestation. 2. a stamp engraved with such a device. 3. an impression made with… …  

• Plug nozzle — The plug nozzle is a type of rocket engine nozzle that, unlike traditional designs, maintains its efficiency at a wide range of altitudes. It is a member of the class of altitude compensating nozzles, but unlike the aerospike, the plug design is… …   Wikipedia

• seal — I 1. noun 1) the seal around the bathtub Syn: sealant, sealer, adhesive, caulk, caulking 2) the king put his seal on the letter Syn: emblem, symbol, insignia, device, badge, crest …   Thesaurus of popular words