penstock
noun
penstock is spelled P-E-N-S-T-O-C-K: 8 letters. It appears about once in every 22 million words in written English, the 143,405th most frequent word form (wordfreq, 2021 data). As a noun, penstock means “A sluice or pipe which allows the controlled flow of water from behind a dam, typically routing it to a turbine of a power plant” (English Wiktionary, September 2026). The plural of penstock is penstocks.
How many letters and syllables are in penstock?
| Letters | 8: P-E-N-S-T-O-C-K |
|---|---|
| In writing | about once in every 22 million words; the 143,405th 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 penstock?
Penstock appears about once in every 22 million words in written English, the 143,405th 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).
Forms of penstock
- penstocks plural
- pentstock
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does penstock mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A sluice or pipe which allows the controlled flow of water from behind a dam, typically routing it to a turbine of a power plant.
- 2
The barrel of a wooden pump.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Penstock in Spanish, French, German and Portuguese
In the sense sluice or pipe:
| Language | Words |
|---|---|
| French | conduite forcée |
| German | Druckrohrleitung |
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 penstock come from?
Perhaps from pen (“an enclosure”) + stock.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).