Zinggn.

Brit.

/tsɪŋ/,

/zɪŋ/, U.S.

/tsɪŋ/,

/zɪŋ/

Origin: From a proper name. Etymon: proper name Zingg.

Etymology: < the name of Theodor Zingg (1901–74), Swiss geologist, meteorologist, and engineer, who devised the system ( Schweiz. Min. und Petrogr. Mitteilungen 15 (1935) 39-140).

Geology.

As a modifier. Used with reference to Theodor Zingg's 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 four basic shape classes according to its degree of flatness and elongation.

ΚΠ

1939 Jrnl. Sedimentary Petrol. 9 128/1 (caption) Relation between Zingg's pebble classes and the index of elongation.]

1941 Jrnl. Sedimentary Petrol. 11 67/1 (heading) Relation between sphericity and Zingg shape classes.

1979 Nature 8 Feb. 496/3 Very simple probabilistic methods were used to estimate the formation of the four basic Zingg shapes (disks, spheres, blades and rods).

2009 Estuaries & Coasts 32 334/2 The Zingg diagram reflects the sphericity of the pebbles in the deposit.

This entry has been updated (OED Third Edition, March 2021; most recently modified version published online March 2022).

单词	zingg
释义	Zinggn. Brit. /tsɪŋ/, /zɪŋ/, U.S. /tsɪŋ/, /zɪŋ/ Origin: From a proper name. Etymon: proper name Zingg. Etymology: < the name of Theodor Zingg (1901–74), Swiss geologist, meteorologist, and engineer, who devised the system ( Schweiz. Min. und Petrogr. Mitteilungen 15 (1935) 39-140). Geology. As a modifier. Used with reference to Theodor Zingg's 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 four basic shape classes according to its degree of flatness and elongation. ΚΠ 1939 Jrnl. Sedimentary Petrol. 9 128/1 (caption) Relation between Zingg's pebble classes and the index of elongation.] 1941 Jrnl. Sedimentary Petrol. 11 67/1 (heading) Relation between sphericity and Zingg shape classes. 1979 Nature 8 Feb. 496/3 Very simple probabilistic methods were used to estimate the formation of the four basic Zingg shapes (disks, spheres, blades and rods). 2009 Estuaries & Coasts 32 334/2 The Zingg diagram reflects the sphericity of the pebbles in the deposit. This entry has been updated (OED Third Edition, March 2021; most recently modified version published online March 2022). < n.1941
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