Definition: [verb] cause (a person or place) to be or remain alone or apart from others.
Example: a country which is isolated from the rest of the world
Definition: [verb] identify (something) and examine or deal with it separately.
Example: his difficulty will be to isolate the factors which are most significant
Definition: [noun] a person or thing that has been or become isolated.
Example: social isolates often become careless of their own welfare
Definition: [noun] a culture of microorganisms isolated for study.