turn-valve
1Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… …
2Turn — (t[^u]rn), v. t. [imp. & p. p. {Turned}; p. pr. & vb. n. {Turning}.] [OE. turnen, tournen, OF. tourner, torner, turner, F. tourner, LL. tornare, fr. L. tornare to turn in a lathe, to rounds off, fr. tornus a lathe, Gr. ? a turner s chisel, a… …
3turn — [tʉrn] vt. [ME turnen < OE turnian & OFr turner, tourner, both < L tornare, to turn in a lathe, turn < tornus, lathe < Gr tornos, lathe, carpenter s compasses, akin to terein, to bore through: for IE base see THROW] I to cause to… …
4turn — turnable, adj. /terrn/, v.t. 1. to cause to move around on an axis or about a center; rotate: to turn a wheel. 2. to cause to move around or partly around, as for the purpose of opening, closing, or tightening: to turn a key; to turn the cap of a …
5turn — /tɜn / (say tern) verb (t) 1. cause to move round on an axis or about a centre; rotate: to turn a wheel. 2. to cause to move round or partly round, as for the purpose of opening, closing, tightening, etc.: to turn a key. 3. to reverse the… …
6turn — [[t]tɜrn[/t]] v. t. 1) to cause to move around on an axis or about a center; rotate: to turn a wheel[/ex] 2) to cause to move around or partly around, as for the purpose of opening, closing, or tightening: to turn a key[/ex] 3) to reverse the… …
7Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… …
8turn something off — SWITCH OFF, shut off, put off, extinguish, deactivate; informal kill, cut. → turn * * * stop the operation or flow of something by means of a valve, switch, or button remember to turn off the gas ■ operate a valve or switch in order to do this *… …
9turn something on — SWITCH ON, put on, start up, activate, trip. → turn * * * start the flow or operation of something by means of a valve, switch, or button she turned on the TV ■ operate a valve or switch in order to do this * * * ˌturn sthˈon derived to start the …
10Valve transmitters — Most high power transmitter amplifiers are of valve construction because of the high power required.Anode circuitsSince valves are designed to operate with much higher resistive loads than solid state devices, the most common anode circuit is a… …
