Definition of hard metal in English:

hard metal

noun ˌhɑːd ˈmɛt(ə)l

1Any of various alloys valued for their hardness; especially (more fully "hard metal pewter") one of tin with a large quantity of copper or antimony. Now historical.
2Specifically. An alloy consisting of an aggregate of powdered carbide of tungsten, tantalum, or titanium mixed with a matrix of powdered cobalt or nickel and then compressed and sintered, giving a very hard but somewhat brittle metal with a very high melting point, used especially in making cutting tools. Chiefly attributive.

Origin

Late 16th century; earliest use found in William Harrison (1535–1593), historian and topographer. From hard + metal.

Definition of hard metal in US English:

hard metal

nounˌhɑːd ˈmɛt(ə)l

1Any of various alloys valued for their hardness; especially (more fully "hard metal pewter") one of tin with a large quantity of copper or antimony. Now historical.
2Specifically. An alloy consisting of an aggregate of powdered carbide of tungsten, tantalum, or titanium mixed with a matrix of powdered cobalt or nickel and then compressed and sintered, giving a very hard but somewhat brittle metal with a very high melting point, used especially in making cutting tools. Chiefly attributive.

Origin

Late 16th century; earliest use found in William Harrison (1535–1593), historian and topographer. From hard + metal.

词汇	hard metal
释义	Definition of hard metal in English: hard metal noun ˌhɑːd ˈmɛt(ə)l 1Any of various alloys valued for their hardness; especially (more fully "hard metal pewter") one of tin with a large quantity of copper or antimony. Now historical. 2Specifically. An alloy consisting of an aggregate of powdered carbide of tungsten, tantalum, or titanium mixed with a matrix of powdered cobalt or nickel and then compressed and sintered, giving a very hard but somewhat brittle metal with a very high melting point, used especially in making cutting tools. Chiefly attributive. Origin Late 16th century; earliest use found in William Harrison (1535–1593), historian and topographer. From hard + metal. Definition of hard metal in US English: hard metal nounˌhɑːd ˈmɛt(ə)l 1Any of various alloys valued for their hardness; especially (more fully "hard metal pewter") one of tin with a large quantity of copper or antimony. Now historical. 2Specifically. An alloy consisting of an aggregate of powdered carbide of tungsten, tantalum, or titanium mixed with a matrix of powdered cobalt or nickel and then compressed and sintered, giving a very hard but somewhat brittle metal with a very high melting point, used especially in making cutting tools. Chiefly attributive. Origin Late 16th century; earliest use found in William Harrison (1535–1593), historian and topographer. From hard + metal.
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