Definition of Ringelmann in English:

Ringelmann

noun ˈrɪŋɡlman

Used attributive and (now rare) in the genitive with reference to a method of estimating the darkness and density of smoke by visual comparison with a chart bearing different shades of grey (formed by lines ruled with different spacings or different thicknesses); especially in "Ringelmann chart".

Late 19th century. From the name of Maximilien Ringelmann, French professor of agricultural engineering, who devised the method.

nounˈrɪŋɡlman

Used attributive and (now rare) in the genitive with reference to a method of estimating the darkness and density of smoke by visual comparison with a chart bearing different shades of grey (formed by lines ruled with different spacings or different thicknesses); especially in "Ringelmann chart".

Late 19th century. From the name of Maximilien Ringelmann, French professor of agricultural engineering, who devised the method.

词汇	Ringelmann
释义	Definition of Ringelmann in English: Ringelmann noun ˈrɪŋɡlman Used attributive and (now rare) in the genitive with reference to a method of estimating the darkness and density of smoke by visual comparison with a chart bearing different shades of grey (formed by lines ruled with different spacings or different thicknesses); especially in "Ringelmann chart". Origin Late 19th century. From the name of Maximilien Ringelmann, French professor of agricultural engineering, who devised the method. Definition of Ringelmann in US English: Ringelmann nounˈrɪŋɡlman Used attributive and (now rare) in the genitive with reference to a method of estimating the darkness and density of smoke by visual comparison with a chart bearing different shades of grey (formed by lines ruled with different spacings or different thicknesses); especially in "Ringelmann chart". Origin Late 19th century. From the name of Maximilien Ringelmann, French professor of agricultural engineering, who devised the method.
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