or armor plating
Origin of armor plate
Related formsar·mor·plat·ed, adjective
Examples from the Web for armor plate
Although on occasions they tried to use us as tanks, it was not successful, for our armor-plate was too light.War in the Garden of Eden|Kermit Roosevelt
The naval officers and experts are all crying out against the folly of the Government engaging in the manufacture of armor-plate.
Another use of vanadium is in chrome-vanadium steels for armor-plate and automobiles.The Economic Aspect of Geology|C. K. Leith
The Secretary did make the inquiries, and found that the actual cost of making a ton of armor-plate was $197.78.
Of course, the character of armor-plate has been vastly improved since that time.Defenseless America|Hudson Maxim