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 (dī′əl, dīl)
1. A graduated surface or face on which a measurement, such as speed, is indicated by a moving needle or pointer.
a. The face of a clock.
b. A sundial.
a. The panel or face on a radio or television receiver on which the frequencies or channels are indicated.
b. A movable control knob or other device on a radio or television receiver used to change the frequency.
4. A rotatable disk on a telephone with numbers and letters, used to signal the number to which a call is made.
v. di·aled, di·al·ing, di·als or di·alled or di·al·ling
1. To measure with or as if with a dial.
2. To point to, indicate, or register by means of a dial.
3. To control or select by means of a dial: dial a radio station.
4. To call (a party) on a telephone.
5. To signal (a number) in making a telephone call: The program dials the number and then connects to the file server.
1. To use a dial.
2. To use a telephone.
Phrasal Verbs:
dial down
Informal To reduce the intensity of: tried to dial down the controversy.
dial up
Informal To increase the intensity of: dialed up the action in the movie's sequel.

[Middle English, sundial, clock, from Old French dyal, from Medieval Latin diāle, from neuter of diālis, daily, from Latin diēs, day; see dyeu- in Indo-European roots.]

di′al·er n.


an electronic device used to dial telephone numbers automatically


(ˈdaɪ ə lər, ˈdaɪ lər)

1. one that dials.
2. an electronic device attached to a telephone to call preselected numbers automatically.


n (Telec, Internet) → Dialer m
References in periodicals archive ?
This strong process-based patent covers database dialing, a core component of any commercial grade war dialer.
Sandstorm's other products include: PhoneSweep, a patented, multi-line telephone scanner (also known as a "war dialer"), Sandtrap, a war dialer detector, and LANWatch, a packet-oriented network protocol analyzer.
Ports have become the entry of choice, but companies should still conduct a vulnerability scan with a war dialer periodically to detect any unauthorized modems on the premises.
PhoneSweep, US patent 6,490,349, is the first commercial multi-line war dialer, and is used in over 35 countries.
Comparative studies performed by SecureLogix on customer networks have revealed that real-time phone line monitoring by a voice firewall identifies 5-to-10 times the number of modems found by scanners or war dialers.
Thus, the authors cover how war dialers and telephone line scanners can be used to ensure that the back doors that unauthorized corporate modems create are closed.