# corrasion
## English
### Etymology

Ultimately from Latin corrasus, past participle of corradere (“to scrape together”), itself from cor- (“form of con- (“together”)”) + radere (“to scratch, scrape”).

### Noun

corrasion (usually uncountable, plural corrasions)
* (obsolete) The diminution of wealth, etc., such as through unanticipated expenditure.
** 1611, Iohn Speed [i.e., John Speed], “Henry the Third, […]”, in The History of Great Britaine under the Conquests of yͤ Romans, Saxons, Danes and Normans. […], London: […] William Hall and John Beale, for John Sudbury and George Humble, […], →OCLC, book IX ([Englands Monarchs] […]), paragraph 66, page 526, column 1:Theſe and other importunate corraſions, vvere not made onely to fill vp ſuch breaches as the French affaires had produced, but alſo to ſpend in entertainments and ſhovves.
* The wearing away of surface material.
** 1991, Carlton E. Brett, Yvette L. Bordeaux, “Taphonomy of brachiopods from a Middle Devonian shell bed”, in D. I. MacKinnon, Daphne E. Lee, J. D. Campbell, editors, Brachiopods Through Time, page 221:In contrast, Spinocyrtia pedicle valves displayed a wide range of corrasion states, including extremely worn partial valves lacking any hint of ribbing and with edges, including fractured edges, rounded (Figs. 1, 2 B-E).
** 2000, Janet D. Hughes, “Conservation Investigation for Preservation of Historic Timber Hut in Antarctica”, in Stephen J. Kelley, editor, Wood Structures: A Global Forum on the Treatment, Conservation, and Repair of Cultural Heritage, American Society for Testing and Materials, page 278:Accurate data on the rate of corrasion would be very helpful in determining whether treatment is an urgent priority. Overstatement of corrasion is largely due to the assumption that the height of nails above the timber surface indicate the extent of erosion of the wood surface.
** 2001, Tree Ring Research, Volumes 57-60, Tree-Ring Society, page 13:
    Following the healing process, hail injuries remain distinctive in the growth rings as corrasions or scars and can be dated with dendrochronological and wood-anatomical methods.
* (geology) Corrading (erosion by abrasion) caused by such as: wind-blown or water-borne sand, stream-borne or glacier-borne stones, or collisions between stones under the influence of seaside breakers.
** 1880, Proceedings, Volume 18, American Philosophical Society, page 311:But the character of the deposit on these benches shows that it could not have accumulated under such conditions as must have existed had the plains resulted from lateral corrasions by streams with but slight fall.
** 1993, Shatrughna Prasad Sinha, Faguni Ram, Manager Prasad, Hari Ram Nagalia, editors, Instant Encyclopaedia of Geography, Volume 8: Environmental Geography, Mittal Publications, page 104:Corrasion may be vertical or lateral. Vertical corrasion is corrasion of the bed of the river, deepening its channel. Lateral corrasion is corrasion of the banks, and leaves the bed untouched.
** 2004, China Miéville, Iron Council:The ground defied the Council. It changed in sped-up corrasion, in the buckling of tectonics at some psychotic rate as if time was untethered from its rules.

#### Related terms

* corrade
* corrasive

### See also

* corrode
* rasion
* razor

### Further reading

* Erosion on Wikipedia.Wikipedia

## French
### Etymology

Ultimately from Latin corrasus, the past participle of corradere (“to scrape together”), itself from cor- (a form of con- 'together') + radere (“to scratch, scrape”).

### Noun

corrasion f (plural corrasions)
* the wear and tear effectuated by the erosive sand-loaded desert winds

#### Related terms

* corrosion
* corroder
* raser