from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To destroy a metal or alloy gradually, especially by oxidation or chemical action: acid corroding metal.
- transitive v. To impair steadily; deteriorate: "Doubt and mistrust could creep into our lives, corroding personal and professional relationships” ( Philip Taubman).
- intransitive v. To be eaten or worn away.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To eat away by degrees; to wear away or diminish by gradually separating or destroying small particles of, as by action of a strong acid or a caustic alkali.
- v. To consume; to wear away; to prey upon; to impair.
- v. To have corrosive action; to be subject to corrosion.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To eat away by degrees; to wear away or diminish by gradually separating or destroying small particles of, as by action of a strong acid or a caustic alkali.
- transitive v. To consume; to wear away; to prey upon; to impair.
- intransitive v. To have corrosive action; to be subject to corrosion.
from The Century Dictionary and Cyclopedia
- Literally, to eat or gnaw away gradually; hence, to wear away, diminish, or disintegrate (a body) by gradually separating small particles from (it), especially by the action of a chemical agent: as, nitric acid corrodes copper: often used figuratively.
- Synonyms To canker, gnaw, waste.
- To gnaw; eat or wear away gradually.
- Figuratively, to become gradually impaired or deteriorated; waste away.
- To act by or as if by corrosion or canker, or a process of eating or wearing away.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. become destroyed by water, air, or a corrosive such as an acid
- v. cause to deteriorate due to the action of water, air, or an acid
Middle English corroden, from Latin corrōdere, to gnaw away : com-, intensive pref.; see com- + rōdere, to gnaw; see rēd- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the Latin corrodere ("to gnaw"), via the French corroder. (Wiktionary)