Erosion Meaning

/ɪˈɹəʊʒən/
C1

Definition, CEFR level C1, pronunciation, examples, and quiz.

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nounThe result of having been worn away or eroded, as by a glacier on rock or the sea on a cliff face.

nounThe changing of a surface by mechanical action, friction, thermal expansion contraction, or impact.

If the trees on that hill are cut down, you'll see erosion pretty quickly.
Because of erosion, the trail is rocky and deep.
CEFR Practice Quiz
Coastal ____ has gradually worn away the sandy cliffs.
CEFR Practice Quiz (Alternate)
Soil ____ is a major environmental problem that depletes farmland of nutrients.

From Middle French erosion, from Latin ērōsiō (“eating away”), derived from ērōdō. The first known occurrence in English was in the 1541 translation by Robert Copland of Guy de Chauliac's medical text The Questyonary of Cyrurygens. Copland used erosion to describe how ulcers developed in the mouth. By 1774 erosion was used outside medical subjects. Oliver Goldsmith employed the term in the more contemporary geological context, in his book Natural History, with the quote : "Bounds are thus put to the erosion of the earth by water."

"Even second-generation biofuels, made from crop wastes or wood, are an environmental disaster, either extending the cultivated area or removing the straw and stovers which protect the soil from erosion and keep carbon and nutrients in the ground." — 2012 August 24, George Monbiot, Guardian Weekly, page 20:
"No social system that isn’t built upon the belief to the divine, or morality and traditional values, can withstand the erosion and degeneration of humankind’s morality, including democracy." — 2020 November 8, Si Xiang, “The U.S. Election Is a Battle Between Good and Evil”, in Minghui:

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CEFR Practice Quiz
Coastal ____ has gradually worn away the sandy cliffs.
CEFR Practice Quiz (Alternate)
Soil ____ is a major environmental problem that depletes farmland of nutrients.

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