1. A steel with a relatively large component (10-14%) of manganese; highly resistant to wear and shock
   - manganese steel

Type of: alloy steel

• Old Dominion
• Old Dominion State
• Old English
• Old English sheepdog
• Old Faithful
• old fart
• old fashioned
• Old French
• Old Frisian
• old geezer
• Old Glory
• old gold
• old growth
• old guard
• old hand
• Old Hickory
• Old High German
• Old Icelandic
• Old Irish
• Old Ironsides
• Old Italian
• old lady
• Old Latin
• Old Line State
• old maid