ampacity
/æmˈpæsɪti/noun
ampacity is spelled A-M-P-A-C-I-T-Y: 8 letters. It appears about once in every 46 million words in written English, the 209,386th most frequent word form (wordfreq, 2021 data). As a noun, ampacity means “The root mean square of the electrical current which a device (usually a wire) can carry within a specific environment (including temperature rating…” (English Wiktionary, September 2026). The plural of ampacity is ampacities.
How many letters and syllables are in ampacity?
| Letters | 8: A-M-P-A-C-I-T-Y |
|---|---|
| In writing | about once in every 46 million words; the 209,386th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is ampacity?
Ampacity appears about once in every 46 million words in written English, the 209,386th 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 ampacity?
- /æmˈpæsɪti/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of ampacity
- ampacities plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ampacity mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The root mean square of the electrical current which a device (usually a wire) can carry within a specific environment (including temperature rating, power loss, heat dissipation, etc.) It is measured in amperes (amps) and is most often used to rate electrical wires and cables.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Ampacity in Spanish, French, German and Portuguese
In the sense root mean square of the electrical current which a wire can carry:
| Language | Words |
|---|---|
| Portuguese | ampacidade |
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 ampacity come from?
Blend of ampere + capacity.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).