terrestrial planet vs world

terrestrial planet and world both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrestrial planet	Yes	No	No	No
world	Yes	Yes	No	No

terrestrial planet (noun)	world (noun)
a planet having a compact rocky surface like the Earth's; the four innermost planets in the solar system	all of the living human inhabitants of the earth
	all of your experiences that determine how things appear to you
	the concerns of this life as distinguished from heaven and the afterlife
	people in general; especially a distinctive group of people with some shared interest
	people in general considered as a whole
	the 3rd planet from the sun; the planet we live on
	everything that exists anywhere
	a part of the earth that can be considered separately

terrestrial planet (adjective)	world (adjective)
	involving the entire earth; not limited or provincial in scope