different between collision vs corrasion

English

Etymology

From Middle French collision, from Late Latin collisio, from Latin collidere, past participle collisus (“to dash together”); see collide.

Pronunciation

• IPA^(key): /k??l???n/
• Rhymes: -???n

Noun

collision (countable and uncountable, plural collisions)

1. An instance of colliding.
   • 1994, Stephen Fry, The Hippopotamus Chapter 2

     At the very moment he cried out, David realised that what he had run into was only the Christmas tree. Disgusted with himself at such cowardice, he spat a needle from his mouth, stepped back from the tree and listened. There were no sounds of any movement upstairs: no shouts, no sleepy grumbles, only a gentle tinkle from the decorations as the tree had recovered from the collision.

2. (physics) Any event in which two or more bodies exert forces on each other in a relatively short time. In a collision, physical contact of two bodies is not necessary.
3. (software compilation) Clipping of naming collision.

Hyponyms

Coordinate terms

• allision

Derived terms

Related terms

• collide

Translations

Further reading

• collision in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• collision in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

French

Etymology

From Latin coll?si?.

Pronunciation

• IPA^(key): /k?.li.zj??/

Noun

collision f (plural collisions)

1. collision (an instance of colliding)

Derived terms

• collision frontale

Further reading

• “collision” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

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)

1. (obsolete) The diminution of wealth, etc., such as through unanticipated expenditure.
2. The wearing away of surface material.
   • 1991, Carlton E. Brett, Yvette L. Bordeaux, Taphonomy of brachiopods from a Middle Devonian shell bed, 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, 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^[sic] 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.

3. (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.

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)

1. The wear and tear effectuated by the erosive sand-loaded desert winds

Related terms

• corrosion
• corroder
• raser