ampere

/ˈæmˌpɪəɹ/

//ˈæmˌpɪəɹ// noun

By · According to Wiktionary data (CC BY-SA) ·

"ampere" is a 6-letter English headword indexed on PlainSpell.

The verdict

“ampere” is uncommon English (frequency #73,855 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#73,855
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A unit of electrical current, the standard base unit in the International System of Units; colloquially amp. Abbreviation: amp, Symbol: A

Corpus desk

Index EN-ampere · ampere · English

ampere · rank #73,855 · 0 variants · 0 confusables

  • FREQ-RARE #73,855
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH alveoli

Nearest frequency peer: alveoli (-1 rank slots)

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.

Long-tail ranks near “ampere”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “ampere” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for ampere
PropertyValue
Headwordampere
LanguageEnglish
Part of speechNoun
IPA/ˈæmˌpɪəɹ/
Letters6
Frequency rank#73,855
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “ampere” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).amperefalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “alveoli” (#73,854), “amphora” (#73,856), “anagrams” (#73,857). Among 3,931 “A” headwords, “ampere” is #73,855. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ampere is uncommon English at frequency #73,855 among 3,931 “A” headwords, classed as anoun, transcribed /ˈæmˌpɪəɹ/. Rarity is why readers land here mid-draft. Gloss: "A unit of electrical current, the standard base unit in the International System of Units; colloquially amp. Abbreviation: amp, Symbol: A".

The misspelling generator found no plausible variants for ampere, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Named after French physicist André-Marie Ampère (1775–1836). The correct English form is ampere, spelled A-M-P-E-R-E.

Definition

  1. 1
    A unit of electrical current, the standard base unit in the International System of Units; colloquially amp. Abbreviation: amp, Symbol: A

Recorded use

Wiktionary examples

These source excerpts show how ampere appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Definition: The ampere, symbol A, is the SI unit of electric current. It is defined by taking the fixed numerical value of the elementary charge e to be 1.602 176 634 x 10⁻¹⁹ when expressed in the unit C, which is equal to A s, where the second is defined in terms of Δν_(Cs). (The International Bureau of Weights and Measures)
  2. If the volt, ampere and ohm were taken as the absolute units, the practical units would be the ampere, begohm and begavolt, names just as convenient as ampere, coulomb and farad.

Etymology

Named after French physicist André-Marie Ampère (1775–1836).

This word in other languages

amperio(Español)ampère(Français)Ampere(Deutsch)ampere(Português)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ampere"?
"ampere" is spelled A-M-P-E-R-E. The IPA pronunciation is /ˈæmˌpɪəɹ/.
What does "ampere" mean?
As a noun, "ampere" means: A unit of electrical current, the standard base unit in the International System of Units; colloquially amp. Abbreviation: amp, Symbol: A
How do you pronounce "ampere"?
The IPA (International Phonetic Alphabet) transcription for "ampere" is /ˈæmˌpɪəɹ/. 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 "ampere"?
Named after French physicist André-Marie Ampère (1775–1836). 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "ampere", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

aright#73,866balder#73,882bandon#73,884Yasuda#73,813

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

Source: FrequencyWords open word-frequency list