world vs atmosphere

world and atmosphere both are nouns.

Word	Noun	Adjective	Verb	Adverb
world	Yes	Yes	No	No
atmosphere	Yes	No	No	No

world (noun)	atmosphere (noun)
all of the living human inhabitants of the earth	a distinctive but intangible quality surrounding a person or thing
all of your experiences that determine how things appear to you	the mass of air surrounding the Earth
the concerns of this life as distinguished from heaven and the afterlife	the envelope of gases surrounding any celestial body
people in general; especially a distinctive group of people with some shared interest	a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade
people in general considered as a whole	the weather or climate at some place
the 3rd planet from the sun; the planet we live on	a particular environment or surrounding influence
everything that exists anywhere
a part of the earth that can be considered separately

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