Vth

/ˌviː ˌtiː ˈeɪtʃ/

//ˌviː ˌtiː ˈeɪtʃ// noun

"vth" is a 3-letter English headword indexed on PlainSpell.

The verdict

“Vth” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
3
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - threshold voltage of a transistor.

Corpus desk

Index EN-vth · Vth · English

Vth · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "V" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for Vth
PropertyValue
HeadwordVth
LanguageEnglish
Part of speechNoun
IPA/ˌviː ˌtiː ˈeɪtʃ/
Letters3
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Vth” in English

Vthfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Vth is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌviː ˌtiː ˈeɪtʃ/. Rarity is why readers land here mid-draft. Gloss: "threshold voltage of a transistor.".

We couldn't generate a plausible misspelling set for Vth, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From voltage + threshold. The correct English form is Vth, spelled V-T-H.

Definition

  1. 1
    threshold voltage of a transistor.

Etymology

From voltage + threshold.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Vth"?
"Vth" is spelled V-T-H. The IPA pronunciation is /ˌviː ˌtiː ˈeɪtʃ/.
What does "Vth" mean?
As a noun, "Vth" means: threshold voltage of a transistor.
How do you pronounce "Vth"?
The IPA (International Phonetic Alphabet) transcription for "Vth" is /ˌviː ˌtiː ˈeɪtʃ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "Vth"?
From voltage + threshold. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list