continuous tube
11sieve tube — noun tube formed by cells joined end to end through which nutrients flow in flowering plants and brown algae • Hypernyms: ↑vascular tissue • Part Holonyms: ↑phloem, ↑bast * * * noun : a tube consisting of an end to end series of thin walled… …
12electron 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 …
13Vacuum 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… …
14Video 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… …
15Eustachian tube — /yooh stay sheuhn, stay kee euhn/, Anat. a canal extending from the middle ear to the pharynx; auditory canal. See diag. under ear1. [1735 45; named after EUSTACHIO; see AN] * * * ▪ anatomy also called Auditory Tube, tube that extends… …
16X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …
17The Tube (TV series) — Infobox television show name = The Tube caption = The Tube s neon sign trademark. format = Live music television runtime = creator = presenter= Jools Holland and Paula Yates, Muriel Gray, Gary James, Michel Cremona, Nick Laird Clowes and Mike… …
18Light tube — This article is about light tubes used for the illumination of buildings. For other uses of the phrase light tubes , see Light tube (disambiguation). Light tubes Light tubes or light pipes are used for transporting or distributing natural or… …
19Rijke tube — Rijke s tube turns heat into sound, by creating a self amplifying standing wave. It is an entertaining phenomenon in acoustics and is an excellent example of resonance. [ thumb|right|A simple construction of the Rijke tube, with a wire mesh in… …
20Lava tube — ImageStackRight|300 Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava… …
