atomic number 29 vs brass

atomic number 29 and brass both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic number 29	Yes	No	No	No
brass	Yes	No	No	No

atomic number 29 (noun)	brass (noun)
a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor	a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece
	a memorial made of brass
	an ornament or utensil made of brass
	impudent aggressiveness
	the persons (or committees or departments etc.) who make up a body for the purpose of administering something
	the section of a band or orchestra that plays brass instruments
	an alloy of copper and zinc