dial

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di·al

(dī'ăl),
A clock face or instrument resembling a clock face.
[L. dies, day]

dial

(dī′ăl) [L. dialis, daily, fr. dies, day]
A graduated circular face, similar to a clock face, on which some measurement is indicated by a pointer that moves as the entity being measured (pressure, temperature, or heat) changes.

astigmatic dial

A circular dial with black lines of uniform width drawn as if they were connecting opposing numbers on the face of a clock. It is used in testing for astigmatism.
References in periodicals archive ?
It is not the equivalent of a rotary dial on a cell phone.
This 500-watt blender features 6 preset speeds on an easy-to-use rotary dial. Includes Cuisinart's Instant Pulse, LED indicators, and an Ice Crush Button.
Off-the-shelf plug-and-play accessories include manual or pneumatic slide tables, rotary dial tables, and post-cool and part-clamping systems.
My ear is tuned to the dulled note of the ancient rotary dial phone whose ringer I encapsulated with electrician's tape more than two decades ago.
"It is also a recognition of the more than $12 billion in economic development activity occurring inside city limits and the major improvements in our municipal service delivery systems that have taken employees from using rotary dial phones to desktop computers.
If you find printed dialing instructions and a phone with either a rotary dial or Touch Tone pad, go directly to the building manager's office and say the phone is out of compliance.
Rotary dial phones, for instance, remain much more widespread in Latin America than in the United States.
We had manual typewriters, mimeograph machines, carbon paper, and of course, a rotary dial telephone.
But the two key operational areas of this vital link in the nation's defense network--its flight operations control center and its aircraft maintenance control center--were left with antiquated rotary dial phones and equally antiquated Bell System electromechanical call directors as their only means of telephone voice communication.
There are two kinds: pulse dialing, which interrupts a steady signal much like the old Morse code and commonly uses a rotary dial; and touch-tone dialing, which employs a series of electronic pitches and never comes with a rotary dial.
Telephone sets were different too and, needless to say, customers valued their rotary dial phones, having waited a while to get them connected.
Inside, the Focus has lost 50 per cent of the dials and switches of the previous version and the automatic even comes with a rotary dial instead of a gear stick.