Standard Lemma guide

isolator

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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noun

Meaning 1

An electrical device that detects short circuits and isolates them.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

noun

Meaning 2

A device that isolates something from the surrounding environment to keep it sterile.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

noun

Meaning 3

A transparent box for holding small live animals.

Definition source: English Wiktionary via Wiktextract

Examples

2009, Official Journal of the European Union, DIRECTIVE 2009/41/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 6 May 2009 on the contained use of genetically modified micro-organisms, DIRECTIVES, eur-lex.europa.eu Filters on isolators or isolated room. Isolators: transparent boxes where small animals are contained within or outside a cage; for large animals, isolated rooms may be more appropriate.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From isolate + -or.

Across languages

Translations

7 source translations are retained for this English entry.

Bulgarian: изолатор (izolator) — electrical device that detects short circuits
German: Trenneinrichtung — electrical device that detects short circuits
German: Trenner — electrical device that detects short circuits
Polish: izolator — electrical device that detects short circuits
German: Isolator — device to keep something sterile
Bulgarian: изолатор (izolator) — transparent box where small animals are contained
German: Isolator — transparent box where small animals are contained

Word forms

Inflections and variants

isolators — plural

Word family

Derived and related words

Derived: microisolator, optoisolator, photoisolator

Related: insular, insulate, insulation, insulator, isolatable, isolate, isolated, isolating, isolation, isolationism, isolative

Semantic map

Other relationships

Sources

Where this information comes from

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Real reading context

Meaning relationships

Meaning relationships

Examples

Meaning relationships

isolator in complete knowledge articles