an adjustable sundial utilizing the altitude of the sun, at a given latitude and time of year, as a means of telling the time.
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How to use altitude dial in a sentence
The altitude dial said that the water was three hundred feet beneath, and rapidly rising nearer.Under Arctic Ice | H.G. Winter
The altitude dial's pointer reached for one thousand and slid past.Hawk Carse | Anthony Gilmore
The altitude dial's finger almost jumped from forty thousand to thirty-five.Hawk Carse | Anthony Gilmore