eardrum

/ˈɪəˌdɹʌm/

//ˈɪəˌdɹʌm// noun

"eardrum" is a 7-letter English headword indexed on PlainSpell.

The verdict

“eardrum” is uncommon English (frequency #57,358 among 2,246 “E” headwords), classed as a noun. The kind of spelling people second-guess.

#57,358
frequency rank, English
2,246
“E” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A thin membrane that separates the outer ear from the middle ear and transmits sound from the air to the malleus.

Corpus desk

Index EN-eardrum · eardrum · English

eardrum · rank #57,358 · 0 variants · 0 confusables

  • FREQ-RARE #57,358
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH Durkin

Nearest frequency peer: Durkin (-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 “eardrum”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for eardrum
PropertyValue
Headwordeardrum
LanguageEnglish
Part of speechNoun
IPA/ˈɪəˌdɹʌm/
Letters7
Frequency rank#57,358
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “eardrum” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).eardrumfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “Durkin” (#57,357), “Eastlake” (#57,359), “EBT” (#57,360). Among 2,246 “E” headwords, “eardrum” is #57,358. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

eardrum is uncommon English at frequency #57,358 among 2,246 “E” headwords, classed as anoun, transcribed /ˈɪəˌdɹʌm/. Rarity is why readers land here mid-draft. Gloss: "A thin membrane that separates the outer ear from the middle ear and transmits sound from the air to the malleus.".

No generated misspelling entries exist for eardrum in our index, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From ear + drum. The correct English form is eardrum, spelled E-A-R-D-R-U-M.

Definition

  1. 1
    A thin membrane that separates the outer ear from the middle ear and transmits sound from the air to the malleus.

Recorded use

Wiktionary example

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

  1. Those exposed to the weapon experience sharp ear pain, disorientation and panic, security experts say. Prolonged exposure can cause eardrum ruptures and irreversible hearing damage.

Etymology

From ear + drum.

Synonyms

membrana tympanimembrana tympanicamyringamyrinxtympanic membranetympanum

This word in other languages

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 "eardrum"?
"eardrum" is spelled E-A-R-D-R-U-M. The IPA pronunciation is /ˈɪəˌdɹʌm/.
What does "eardrum" mean?
As a noun, "eardrum" means: A thin membrane that separates the outer ear from the middle ear and transmits sound from the air to the malleus.
How do you pronounce "eardrum"?
The IPA (International Phonetic Alphabet) transcription for "eardrum" is /ˈɪəˌdɹʌm/. 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 "eardrum"?
From ear + drum. 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 "eardrum", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list