See Also: Zingg(dictionary)
Zingg (iou)
Zingg noun. M20.
[Theodor Zingg (b. 1905), Swiss meteorologist and engineer.]
Petrography. Used attrib. with ref. to a system of classification of pebble shapes, in which two ratios formed from three mutually perpendicular diameters are used to assign a pebble to one of a series of basic shape classes.
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