overharden en · VERB
Etymology
From over- + harden.
Meanings
-
To harden too much.
[I]t has acquir'd ſuch a hardneſs, that being throvvn againſt the floor it vvould rebound, and vvas brittle like over-harden'd Steel.
1661, Robert Boyle, “[Some Specimens of an Attempt to Make Chymical Experiments Useful to Illustrate the Notions of the Corpuscular Philosophy.] The History of Fluidity and Firmnesse. The Second Part. Of Firmnesse.”, in Certain Physiological Essays and Other Tracts; […], 2nd edition, London: […] Henry Herringman […], published 1668, →OCLC, page 286:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| overhardened | Tense=Past, VerbForm=Part | lexicographic | |
| overhardened | Tense=Past | lexicographic | |
| overhardens | Number=Sing, Person=3, Tense=Pres | lexicographic | |
| overhardening | Tense=Pres, VerbForm=Part | lexicographic |