As nouns the difference between terms and prehard
is that terms is while prehard is (engineering) bar stock that has been hardened prior to delivery.
As an abbreviation prehard is
an abbreviation for prehardened.
terms
English
Noun
(head)
Statistics
*
----
prehard
English
Abbreviation
(
Abbreviation)
(
en-abbr)
An abbreviation for prehardened
Noun
(-)
(engineering) Bar stock that has been hardened prior to delivery.