overharden
English
Etymology
over- + harden
Verb
overharden (third-person singular simple present overhardens, present participle overhardening, simple past and past participle overhardened)
- To harden too much.
- 1661, Robert Boyle, The History of Fluidity and Firmness
- it would rebound; and proved brittle, like over-harden'd steel
- 1661, Robert Boyle, The History of Fluidity and Firmness
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for overharden in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)