adamantium

As nouns the difference between terms and adamantium

is that terms is while adamantium is a fictional metal that is indestructible or nearly so.

As an adjective adamantium is

made of.

As adjectives the difference between adamantium and adamantine

is that adamantium is made of adamantium while adamantine is made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated; as, adamantine bonds or chains.

As a noun adamantium

is a fictional metal that is indestructible or nearly so.

As adjectives the difference between adamant and adamantium

is that adamant is firm; unshakeable; unyielding; determined while adamantium is made of adamantium.

As nouns the difference between adamant and adamantium

is that adamant is an imaginary rock or mineral of impenetrable hardness; a name given to the diamond and other substances of extreme hardness while adamantium is a fictional metal that is indestructible or nearly so.

As a noun adamantium

is a fictional metal that is indestructible or nearly so.

As an adjective adamantium

is made of.

As a proper noun diamond is

of modern usage, from the name of the gem.

As adjectives the difference between indestructible and adamantium

is that indestructible is not destructible; incapable of decomposition or of being destroyed; invincible while adamantium is made of.

As a noun adamantium is

a fictional metal that is indestructible or nearly so.

As nouns the difference between metal and adamantium

is that metal is heavy metal (music) while adamantium is a fictional metal that is indestructible or nearly so.

As an adjective adamantium is

made of.