hardening 3
noundomain: activity
Princeton WordNet [ver.3.1]
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EnglishDefinition
the act of making something harder (firmer or tighter or more compact)
Hypernym
the act of changing the unity or wholeness of something
EnglishDerivationally related form
harden 2
verb
make hard or harder
Hyponym
annealing 1
noun
hardening something by heat treatment
