CASE-HARDENED STEEL

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Steel with a surface that is much harder than the interior metal

Classified under:

Nouns denoting substances

Hypernyms ("case-hardened steel" is a kind of...):

steel (an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range)

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