tube

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tube,

in electronics: see electron tubeelectron tube,
device consisting of a sealed enclosure in which electrons flow between electrodes separated either by a vacuum (in a vacuum tube) or by an ionized gas at low pressure (in a gas tube).
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.

Tube

A long, hollow cylinder, or other hollow shape; typically a flexible or thin-walled metal cylinder, as opposed to a pipe.

tube

[′tüb]
(biology)
A narrow channel within the body of an animal or plant.
(electronics)
(engineering)
A long cylindrical body with a hollow center used especially to convey fluid.
(geology)
A passage in a cave having smooth sides and an elliptical to nearly circular cross section.
(ordnance)
The main part of a gun, the cylindrical piece of metal surrounding the bore; tube is frequently used in referring to artillery weapons, and barrel is more frequently used in referring to small arms.

tube

1. A thin-walled pipe.
2.See lamp.

tube

1. Anatomy
b. any hollow cylindrical structure
2. Botany
a. the lower part of a gamopetalous corolla or gamosepalous calyx, below the lobes
b. any other hollow structure in a plant
3. Brit the tube
a. an underground railway system
b. the tunnels through which the railway runs
c. the train itself
d. ™ the London underground railway system
4. Electronics
a. another name for valve
5. Surfing the cylindrical passage formed when a wave breaks and the crest tips forward

tube

(hardware)
A CRT terminal. Never used in the mainstream sense of TV; real hackers don't watch TV, except for Loony Toons, Rocky & Bullwinkle, Trek Classic, the Simpsons, and the occasional cheesy old swashbuckler movie.

tube

(electronics)

tube

(jargon)
(IBM) To send a copy of something to someone else's terminal. "Tube me that note."
References in periodicals archive ?
Finding out why tubes fail inside heat exchangers has opened up a niche market for remote visual testing firms such as Visual Inspection Technologies Inc.
In guns without gas tubes, the second most common cause is usually bad ammo and often this relates to cartridge run out--a condition that occurs when bullets are not seated in line with the cartridge case.
Here's a chart to help you identify and replace drink tubes and their couplings:
Because of the higher operating pressures for R-410a, the flexible tubes deformed more with R-134a than with R-410a.
2) To me, the danger in such an approach is that large-bore tubes are sometimes used for feeding and administration of medications as well as for drainage.
Manning: I wonder if any of the panelists here normally administer ototopical drops when you put tubes in.
This equipment features tubes that are arranged in a serpentine design connected to manifolds at the top and bottom of each section.
This can produce catheter tubes with stiff, thick sections and thin, flexible sections.
For chronic sufferers of altitude-related ear pain, they occasionally insert small permanent tubes in the eardrum to help ventilate the space.
In the late 1960s, mathematicians Charles Conley of the University of North Texas in Denton and Richard McGehee of the University of Minnesota in Minneapolis built on this work to discover a collection of these special surfaces shaped like tubes.
With such an increasing need for AHN in elders, nursing home providers need to be prepared to address the special challenges that arise when they are asked to care for residents with feeding tubes.