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1. To set apart or cut off from others. (

2. To place in quarantine or isolation. (

3. (Chemistry) To separate a substance in pure form from a mixture. (

4. To insulate, or make free of external influence. (

5. (Microbiology) To separate a pure strain of bacteria etc. from a mixed culture. (

6. To insulate an electrical component from a source of electricity. (



1. Solitary; alone. (



1. A person, thing, or group that has been isolated, as by geographic, ecologic, or social barriers. (

2. (Biology) A population of bacteria or other cells that has been isolated. (

3. (Linguistics) A language isolate. (


Word origin: From French isolé “isolated”. The French word is from Italian isolato, from Latin insulatus “made into an island,” from insula “island.”

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