<p><strong>Verb</strong></p><ul><li>To set or place apart; detach or separate so as to be alone.</li><li>Medicine/Medical: To keep (an infected person) from contact with noninfected persons; quarantine.</li><li>Chemistry, Bacteriology: To obtain (a substance or microorganism) in an uncombined or pure state.</li><li>Electricity: To insulate.</li><li>Television: To single out (a person, action, etc.) for a camera closeup.</li></ul><p><strong>Noun</strong></p><ul><li>A person, thing, or group that is set apart or isolated, as for purposes of study.</li><li>Psychology: A person, often shy or lacking in social skills, who avoids the company of others and has no friends within a group.</li><li>Biology: An inbreeding population that is isolated from similar populations by physiological, behavioral, or geographic barriers.</li><li>Also called language isolate: A language with no demonstrable genetic relationship, as Basque.</li><li>Something that has been isolated, as a by-product in a manufacturing process: an isolate of soy flour.</li></ul><p><strong>Adjective</strong></p><ul><li>Isolated; alone.</li></ul>