WordReference Random House Learner's Dictionary of American English © 2015
i•so•late /v. ˈaɪsəˌleɪt; n., adj. -lɪt, -ˌleɪt/USA pronunciation
v. [~ + object],-lat•ed, -lat•ing. WordReference Random House Unabridged Dictionary of American English © 2015
i•so•la•tion /ˌaɪsəˈleɪʃən/USA pronunciation n. [uncountable]a desperate feeling of isolation in the big city.
- to set or place apart;
separate so as to be alone:He was isolated in a little cubicle by himself.
- Medicineto keep (an infected person) from contact with noninfected persons; quarantine.
- Chemistry, Microbiologyto obtain (a chemical substance or microorganism) in a separate or pure state, not in combination with other substances.
(v. ī′sə lāt′, is′ə-;n., adj. ī′sə lit, -lāt′, is′ə-), v., -lat•ed, -lat•ing, n., adj.
- to set or place apart;
detach or separate so as to be alone.
- Medicine[Med.]to keep (an infected person) from contact with noninfected persons;
- Chemistry, Microbiology[Chem., Bacteriol.]to obtain (a substance or microorganism) in an uncombined or pure state.
- Electricity[Elect.]to insulate.
- Radio and Television, Show Business[Television.]to single out (a person, action, etc.) for a camera closeup.
- Linguisticsa person, thing, or group that is set apart or isolated, as for purposes of study.
- Psychology[Psychol.]a person, often shy or lacking in social skills, who avoids the company of others and has no friends within a group.
- Genetics, Biology[Biol.]an inbreeding population that is isolated from similar populations by physiological, behavioral, or geographic barriers.
- Linguistics[Ling.]a language with no demonstrable genetic relationship, as Basque.
- something that has been isolated, as a by-product in a manufacturing process:an isolate of soy flour.
- back formation from isolated 1800–10
Collins Concise English Dictionary © HarperCollins Publishers::
isolate vb /ˈaɪsəˌleɪt/(transitive)
- to place apart; cause to be alone
- to quarantine (a person or animal) having or suspected of having a contagious disease
- to obtain (a compound) in an uncombined form
- to obtain pure cultures of (bacteria, esp those causing a particular disease)
- to prevent interaction between (circuits, components, etc); insulate
Etymology: 19th Century: back formation from isolated, via Italian from Latin insulātus, literally: made into an island; see insulateˈisolable adj ˌisolaˈbility n ˈisoˌlator n
- an isolated person or group
'isolated' also found in these entries: