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.

单词	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.
随便看	artificial selection artificial silk artificial sunlight artificial surface artificial sweetener artificial system artificial turf artificial year artificing artificious artificiously artificiously artify artilect artilise artiller artilleried artilleries artillerist artillerist artillery artillery boat artillery company artillery driver artillery duel