Oceangoing ironclad Synonyms
Synonyms for phrase
OI abbreviation
OI is an abbreviation for Oceangoing IroncladWhat does OI stand for?
OI stands for "Oceangoing Ironclad" Ironclad replaced
Definitions for Ironclad
- (adjective) inflexibly entrenched and unchangeable
- (adjective) sheathed in iron plates for protection
- (noun) a wooden warship of the 19th century that is plated with iron or steel armor