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WORDNET DICTIONARY
Noun manganese steel has 1 sense
- manganese steel(n = noun.substance) austenitic manganese steel - a steel with a relatively large component (10-14%) of manganese; highly resistant to wear and shock; is a kind of alloy steel
CIDE DICTIONARY
manganese steel,
Cast steel containing a considerable percentage (10-14) of manganese, which makes it very hard and tough and highly resistant to wear. See Alloy steel, above. [Webster 1913 Suppl.]