# insulated

/ˈɪnsəˌɫeɪtəd/ (US) · /ˈɪnsjʊlˌeɪtɪd/ (UK)

Source: https://englishreference.com/word/insulated
Updated: 2026-08-08

## Senses

### 1. protected from heat/cold/noise

adjective · CEFR B2

protected by a special material so that heat, cold, or sound cannot get in or out.

For teachers: protected from the transmission of heat, cold, or sound by being surrounded with non-conducting material.

- The new house is well insulated, so it stays warm even in winter.
- The contractor recommended using high-density foam to ensure the attic was properly insulated against the extreme temperatures of the high desert.

### 2. electrical protection

adjective · CEFR B2 · Technical

covered with a material that does not let electricity pass through.

For teachers: separated from other conducting materials or sources of electricity by a non-conductor to prevent the transfer of current.

- Always check that the copper wires are fully insulated with plastic before you use them.
- For safety reasons, all tools used by the electricians were heavily insulated to prevent accidental grounding during the high-voltage installation.

### 4. astronomical distance

adjective · CEFR C2 · Archaic · Technical

describes stars that are so far apart that they do not pull on each other with gravity.

For teachers: situated at such a great distance as to be beyond the detectable effect of mutual gravitational attraction.

- The old book described the stars as insulated bodies in the vastness of space.
- Early astronomers theorized that certain stars were effectively insulated, existing beyond the reach of the gravitational influence of neighboring systems.

## Examples

- The house stays warm because the walls are well insulated.
- Growing up in a wealthy neighborhood, he was largely insulated from the economic struggles facing the rest of the city.
- Engineers specified that the data center be heavily insulated to maintain a constant internal temperature and to dampen the persistent hum of the cooling fans.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.