case harden
case harden · case hardens · case hardened · case hardening
To impart greater hardness to the surface of a piece of metalTo impart greater hardness to the surface of a piece of metal.
Meaning
1 sensesTo impart greater hardness to the surface of a piece of metal.
Forms
case hardens, case hardening, case hardened, case hardened| Base form | case harden · to case harden |
|---|---|
| 3rd person singular | case hardens |
| Present participle | case hardening |
| Past simple | case hardened |
| Past participle | case hardened |
regular
Word family
1 related wordsDerivedcase hardening
Lessons for this word
3 lessons- A1Present simple — Because it is a verb
- A1Past simple, irregular verbs — Because of its past form
- A2Present perfect: introduction — Because of its past participle