corrasion

noun

1. (obsolete, uncountable, usually)The diminution of wealth, etc., such as through unanticipated expenditure.

   “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.”

2. (uncountable, usually)The wearing away of surface material.

   “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).”

   “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.”

   “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. (uncountable, usually)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.

   “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.”

   “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.”

   “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.”