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caseharden

case·hard·en

caseharden

 
pronunciation:
keIs har dn
part of speech: transitive verb
inflections: casehardened, casehardening, casehardens
definition 1: to form a hard thin surface on (an alloy of iron) by bonding with carbon under heat.
definition 2: to make hard or indifferent, as through experience; inure.
derivation: casehardened (adj.)