insulation
/ˌɪnsəˈleɪʃən/noun
insulation is spelled I-N-S-U-L-A-T-I-O-N: 10 letters and 4 syllables. It appears 4.7 times per million words in written English, the 11,685th most frequent word form (wordfreq, 2021 data). As a noun, insulation means “The act of insulating; detachment from other objects; isolation” (English Wiktionary, September 2026). The plural of insulation is insulations.
How many letters and syllables are in insulation?
| Letters | 10: I-N-S-U-L-A-T-I-O-N |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | 4.7 times per million words; the 11,685th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is insulation?
Insulation appears 4.7 times per million words in written English, the 11,685th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce insulation?
- UK /ˌɪnsjʊˈleɪʃən/
- US /ˌɪnsəˈleɪʃən/
Insulation has 4 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-uk-insulation.ogg, En-us-insulation.ogg, Wikimedia Commons (author and licence on each file's page).
What rhymes with insulation?
The 12 most written words on PlainSpell end in the same sounds as insulation from its last stressed vowel (/eɪʃən/):
- situation
- association
- population
- administration
- operation
- organization
- application
- location
- generation
- foundation
- conversation
- investigation
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of insulation
- insulations plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does insulation mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The act of insulating; detachment from other objects; isolation.
- 2
The state of being insulated; detachment from other objects; isolation.
- 3
Any of a variety of materials designed to reduce the flow of heat, either from or into a building.
- 4
The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity, heat, or sound
- 5
The state of a body so separated.
- 6
a medium in which it is possible to maintain an electrical field with little supply of energy from additional sources.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Insulation in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | isolation , isolement , isolant |
| German | Isolation , Dämmung, Isolierung |
| Portuguese | insulação, isolamento |
| Spanish | aislamiento, aislación, insulación |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does insulation come from?
From insulate + -ion.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).