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English to English verb
| 1 |
become hard or harder |  | Example: The wax hardened
source: wordnet30
| 2 |
make hard or harder | | Example: The cold hardened the butter
source: wordnet30
| 3 |
harden by reheating and cooling in oil | | Example: temper steel
source: wordnet30
| 4 |
make fit | | Example: This trip will season even the hardiest traveller
source: wordnet30
| 5 |
cause to accept or become hardened to; habituate | | Example: He was inured to the cold
source: wordnet30
| 6 |
To make hard or harder; to make firm or compact; to indurate; as, to harden clay or iron. | | source: webster1913
| 7 |
To become hard or harder; to acquire solidity, or more compactness; as, mortar hardens by drying. | | source: webster1913
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