'Ni-hard' definitions:
Definition of 'Ni-hard'
(from WordNet)
noun
Cast iron to which nickel has been added to make it resist abrasion [syn: Ni-hard, Ni-hard iron]
Definition of 'Ni-hard'
From: GCIDE
- Ni-hard \Ni-hard\, Ni-hard iron \Ni-hard iron\n. Cast iron to which nickel has been added to make it resist abrasion. [WordNet 1.5]