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English to English noun
| 1 |
abnormal hardening or thickening of tissue |  | source: wordnet30
| 2 |
the process of becoming hard or solid by cooling or drying or crystallization |  | Example: the hardening of concrete he tested the set of the glue
source: wordnet30
| 3 |
the act of making something harder (firmer or tighter or more compact) |  | source: wordnet30
| 4 |
Making hard or harder. |  | source: webster1913
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