isolate
verb
Pronunciation: /ˈʌɪsəleɪt/
- 1cause (a person or place) to be or remain alone or apart from others: a country which is isolated from the rest of the world
- place (a person or animal) in quarantine as a precaution against infectious or contagious disease.
- 2identify (something) and examine or deal with it separately: his difficulty will be to isolate the factors which are most significant
- cut off the electrical or other connection to (something, especially a part of a supply network): engineers isolated the gas supply to the house
- Chemistry & Biology obtain or extract (a compound, microorganism, etc.) in a pure form: the medical world would never come to grips with polio until it could isolate the virus which caused it
noun
Pronunciation: /ˈʌɪsələt/

Origin:
early 19th century (as a verb): back-formation from isolated