gunmetal

As a noun gunmetal

is an alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between aluminum and gunmetal

is that aluminum is a metallic chemical element (symbol al) with an atomic number of 13 while gunmetal is an alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns.

As nouns the difference between gunmetal and forging

is that gunmetal is an alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns while forging is a component that is forged (shaped by heating and hammering).

As a verb forging is

.

As nouns the difference between gunmetal and silver

is that gunmetal is an alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns while silver is a lustrous, white, metallic element, atomic number 47, atomic weight 107.87, symbol Ag.

As an adjective silver is

made from silver.

As a verb silver is

to acquire a silvery colour.

As a proper noun Silver is

{{surname|A=An|English|from=occupations}} for a silversmith or a rich man, or for someone having silvery gray hair or living by a silvery brook.

As nouns the difference between gunmetal and steel

is that gunmetal is an alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns while steel is an artificial metal produced from iron, harder and more elastic than elemental iron; used figuratively as a symbol of hardness.

As an adjective steel is

made of steel.

As a verb steel is

to edge, cover, or point with steel.

As a proper noun steel is

Coldbath Fields Prison in London, closed in 1877.

As nouns the difference between gunmetal and bronze

is that gunmetal is an alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns while bronze is a natural or man-made alloy of copper, usually of tin, but also with one or more other metals.

As an adjective bronze is

made of bronze metal.

As a verb bronze is

to plate with bronze.

As nouns the difference between gunmetal and metal

is that gunmetal is an alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns while metal is Chemical elements or alloys, and the mines where their ores come from.

As an adjective metal is

characterized by strong, fast drum-beats and distorted guitars.

As a verb metal is

to make a road using crushed rock, stones etc.