pencil tube

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• Pencil detonator — Introduced during World War II, a pencil detonator or time pencil is a chemically activated time fuze designed to be connected to a detonator or short length of safety fuse. Pencil detonators are so called because they have approximately the same …   Wikipedia

• pencil — penciler; esp. Brit., penciller, n. pencillike, adj. /pen seuhl/, n., v., penciled, penciling or (esp. Brit.) pencilled, pencilling. n. 1. a slender tube of wood, metal, plastic, etc., containing a core or strip of graphite, a solid coloring… …   Universalium

• pencil — pen•cil [[t]ˈpɛn səl[/t]] n. v. ciled, cil•ing (esp. brit.) cilled, cil•ling. 1) a slender tube of wood, metal, etc., containing a core of graphite, a solid coloring material, or the like, used for writing or drawing 2) a stick of cosmetic… …   From formal English to slang

• pencil — /ˈpɛnsəl / (say pensuhl) noun 1. a thin tube of wood, etc., with a core of graphite, chalk, or the like, for drawing or writing. 2. style or skill in painting or delineation. 3. a slender, pointed piece of some marking substance. 4. a stick of… …  

• Pencil of rays — Ray Ray, n. [OF. rai, F. rais, fr. L. radius a beam or ray, staff, rod, spoke of a wheel. Cf. {Radius}.] 1. One of a number of lines or parts diverging from a common point or center, like the radii of a circle; as, a star of six rays. [1913… …   The Collaborative International Dictionary of English

• Plasma pencil — The plasma pencil is a dielectric tube where two disk shaped electrodes of about the same diameter as the tube are inserted, and are separated by a small gap. Each of the two electrodes is made of a thin copper ring attached to the surface of a… …   Wikipedia

• Test tube — Two small test tubes held in spring clamps Other names Culture tube Uses Chemical reaction Related items Vacutainer …   Wikipedia

• Wiring pencil — A wiring pencil (often sold under the trade names of road runner and verowire) is a tool for making electrical connections.A small reel of copper wire coated with a special insulating varnish is mounted on the end of the tool. The wire runs down… …   Wikipedia

• Subminiaturröhre — Eine russische Subminiatur Pentode 6Sh2B V mit Größenvergleich Eine Subminiaturröhre oder auch Bleistiftröhre ist eine äußerst miniaturisierte Allglas Elektronenröhre ohne Sockel, die zusammen mit den noch weiter miniaturisierten VHF Nuvistoren… …   Deutsch Wikipedia

• computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …   Universalium

• Watercolor painting — For other uses, see Watercolors (disambiguation). An artist working on a watercolor using a round brush Watercolor (US) or watercolour (UK and Commonwealth), also aquarelle from French, is a painting method. A watercolor is the …   Wikipedia