
1) Art terminology 2) Painting technique
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https://www.crosswordclues.com/clue/sfumato

Sfumato (lang, oʊ) is one of the four canonical painting modes of the Renaissance (the other three being Cangiante, Chiaroscuro, and Unione). Sfumato comes from the Italian `sfumare`, `to tone down” or `to evaporate like smoke”. The most prominent practitioner of sfumato was Leonardo da Vinci, and his famous painting of the Mona Lisa ex...
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http://en.wikipedia.org/wiki/Sfumato

• (a.) Having vague outlines, and colors and shades so mingled as to give a misty appearance; -- said of a painting.
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http://thinkexist.com/dictionary/meaning/sfumato/

(from Italian sfumare, `to tone down,` or `to evaporate like smoke`), in painting or drawing, term designating fine shading that produces soft, ... [5 related articles]
Found on
http://www.britannica.com/eb/a-z/s/72

In art, having delicate gradations of shadow rather than firm outlines. Sfumato was used to subtle effect by Leonardo da Vinci, for example. ...
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http://www.encyclo.co.uk/local/20688

Derived from the Italian word for smoked. It is a well-controlled and subtle method for graduation o
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http://www.encyclo.co.uk/local/22428
Sfu·ma'to adjective [ Italian ]
(Paint.) Having vague outlines, and colors and shades so mingled as to give a misty appearance; -- said of a painting.
Found on
http://www.encyclo.co.uk/webster/S/79

Italian for "shaded off". Gradual, almost imperceptible transitions of color from light to dark.
Found on
http://www.rexart.com/glossary.html

In art, having delicate gradations of shadow rather than firm outlines. Sfumato was used to subtle effect by Leonardo da Vinci, for example
Found on
https://www.encyclo.co.uk/local/21221
No exact match found.