pentode
/ˈpɛnˌtoʊd/noun
pentode is spelled P-E-N-T-O-D-E: 7 letters and 2 syllables. It appears about once in every 17 million words in written English, the 125,655th most frequent word form (wordfreq, 2021 data). As a noun, pentode means “A thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid to reduce the secondary emission effect; was/is used…” (English Wiktionary, September 2026). The plural of pentode is pentodes.
How many letters and syllables are in pentode?
| Letters | 7: P-E-N-T-O-D-E |
|---|---|
| Syllables | 2 (from its pronunciation) |
| In writing | about once in every 17 million words; the 125,655th 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 pentode?
Pentode appears about once in every 17 million words in written English, the 125,655th 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 pentode?
- UK /ˈpɛn.təʊd/
- US /ˈpɛnˌtoʊd/
Pentode has 2 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of pentode
- pentodes plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does pentode mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid to reduce the secondary emission effect; was/is used in high quality audio and radio products.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does pentode come from?
From pent- + -ode.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).