Student Dictionary

2 entries found for harden.
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Main Entry: hard·en
Pronunciation: primarystresshärd-schwan
Function: verb
Inflected Form(s): hard·ened; hard·en·ing /primarystresshärd-nieng, -schwan-ieng/
1 : to make or become hard or harder
2 : to make unfeeling or unsympathetic <hardened his heart>
3 : to make or become hardy or strong <muscles hardened by exercise>
4 : to protect from blast, heat, or radiation (as by a thick barrier or by placing underground) <hardened missile sites>
5 a : to become firm, stable, or settled b : to express harshness
- hard·en·er /primarystresshärd-nschwar, -schwan-schwar/ noun

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