turn

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turn

1. Music a melodic ornament that makes a turn around a note, beginning with the note above, in a variety of sequences
2. Theatre chiefly Brit a short theatrical act, esp in music hall, cabaret, etc.

turn

[′tərn]
(electricity)
One complete loop of wire.
(mathematics)

TURN

(messaging, protocol)
An SMTP command with which a client asks the server to open an SMTP connection to the client, thus reversing their roles.

Superseded by ETRN.
References in periodicals archive ?
As soon as the batteries are charged, the APU engine automatically turns off and the system seamlessly returns to engine-off mode.
When the driver for a signal line turns off, the terminator chip pulls that signal line to its quiescent voltage of 2.
The controller monitors card operation and turns off the card in the event of fault detection on the primary side, such as over-current or loss of regulation on the primary supply voltage.