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tube |
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tube, in electronics: see electron tube electron 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). ..... Click the link for more information. . tubeSee CRT and vacuum tube. tube 1. Anatomy a. short for Eustachian tube, Fallopian tube 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 b. See electron tube cathode-ray tube 5. Surfing the cylindrical passage formed when a wave breaks and the crest tips forward
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| Morals maven William Bennett announced that since September 11, he has re-evaluated American culture and "come to the conclusion that we're not ready to go down the tubes. We just hope 200 years of friendship doesn't go down the tubes for no good reason. Our country is going to go down the tubes in a handbasket shortly," says Mike Quinn, area supervisor of the International Union of Operating Engineers Local 793, in his blunt assessment of the provincial and national situation. |
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