1. A long hollow object (usually cylindrical) used to hold and conduct liquids or gases; SYN. tubing.
2. A system of electrodes arranged in an evacuated glass or metal envelope; SYN. vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve.
3. (Anatomy) Any hollow cylindrical body structure; SYN. tube-shaped structure.
Deo vatrenog oružja.
Zadnivena staklena cev za vršenje hemijskih opita, ogleda.
Staklasta cevčica za vršenje hemijskih opita, proba (fr.)
Svetiljka (obično na gas) (nem.)
Ispitivanje, ogledanje, pregledanje, kušanje; mat. ispitivanje pravilnosti i tačnosti računskog zadatka ili konstrukcije računskim putem ili crtanjem; ispitivanje sadržine metala od koga se kuju novci; trg. uzorak, mustra; vežbanje, priprema za izvođenje ili prikazivanje (muzičkog i pozorišnog komada). (lat.)
1. Dugačka ratna truba kod Rimljana;
2. Cev, crevo; naročito: limena cev u koju se pakuju kremovi, vazelini, pasta za zube, lanolin i dr. sa limenim zavrtnjem na uzanom otvoru, kroz koji se sasržina u potrenboj količini izvlači istiskivanjem.
1. Tunnel
2. British; Subway
Or electron tube in electronics, a glass tube containing gas at low pressure, which is used to control the flow of electricity in a circuit. Three or more metal electrodes are inset into the tube. By varying the voltage on one of them, called the grid electrode, the current through the tube can be controlled, and the tube can act as an amplifier. Tubes have been replaced for most applications by transistors. However, they are still used in high-power transmitters and amplifiers, and in some hi-fi systems.
To convey in a tube.