preharden
Verb
Meaning
preharden (third-person singular simple present prehardens, present participle prehardening, simple past and past participle prehardened)
(engineering) To harden before machining.
Verb
preharden (third-person singular simple present prehardens, present participle prehardening, simple past and past participle prehardened)
(engineering) To harden before machining.