- 1. A cave passage completely filled, now or in the past, with fastmoving water and whose ceiling and walls normally show scallops .2. The imaginary space formed between two adjacent streamlines in which flow is constant (assuming steady flow conditions).Synonyms: (French.) conduite forcée; (German.) Druckflußrohr; (Greek.) ypóghios síranx; (Italian.) condotta forzata; (Spanish.) tubo ( o conducto) fréatico; (Turkish.) akarsu mecras2.
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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Tube — A long hollow cylinder. There are many tube like structures in the human body, such as the auditory tube (Eustachian tube) in the ear. * * * 1. A hollow cylindrical structure or canal. 2. A hollow cylinder or pipe. SYN: tuba [TA]. [L. tubus]… … Medical dictionary
Stream Editor — Pour les articles homonymes, voir Sed. sed (abréviation de Stream EDitor, « éditeur de flux ») est un programme informatique permettant d appliquer différentes transformations prédéfinies à un flux séquentiel de données textuelles. sed… … Wikipédia en Français
Stokes stream function — In fluid dynamics, the Stokes stream function is used to describe the streamlines and flow velocity in a three dimensional incompressible flow with axisymmetry. A surface with a constant value of the Stokes stream function encloses a streamtube,… … Wikipedia
feeding tube — In karst terrane, a more or less straight and waterbearing underground gallery of regular crosssection. Synonyms: (French.) tunnel; (German.) Stro 4mungsrohr, Karstgerinne; (Greek.) karstikos ypoyios agogos; (Spanish.) tubo; (Turkish.)… … Lexicon of Cave and Karst Terminology
electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube … Universalium
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
Concentric tube heat exchanger — Concentric Tube (or Pipe) Heat Exchangers are used in a variety of industries for purposes such as material processing, food preparation and air conditioning. They create a temperature driving force by passing fluid streams of different… … Wikipedia
static tube — noun a measuring instrument used to measure static pressure in a stream of fluid • Hypernyms: ↑measuring instrument, ↑measuring system, ↑measuring device * * * noun : a usually closed tube that is used for indicating static as distinct from… … Useful english dictionary
Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… … Wikipedia
Minor Tactics of the Chalk Stream — and Kindred Studies … Wikipedia