abomasum

/ˌæb.oʊˈmeɪ.səm/

//ˌæb.oʊˈmeɪ.səm// noun

"abomasum" is a 8-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The fourth digestive compartment of the stomach of a cow or other ruminant, after the omasum;

Corpus desk

Index EN-abomasum · abomasum · English

abomasum · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" 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 abomasum
PropertyValue
Headwordabomasum
LanguageEnglish
Part of speechNoun
IPA/ˌæb.oʊˈmeɪ.səm/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “abomasum” in English

abomasumsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

abomasum is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌæb.oʊˈmeɪ.səm/. Rarity is why readers land here mid-draft. 2 senses are on record.

abomasum doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From New Latin abomāsum, from ab- (“away from”) + omāsum (“tripe of a bullock”). The correct English form is abomasum, spelled A-B-O-M-A-S-U-M.

Definition

  1. 1
    The fourth digestive compartment of the stomach of a cow or other ruminant, after the omasum;
  2. 2
    The fourth digestive compartment of the stomach of a cow or other ruminant, after the omasum; the lining of said compartment, considered as a foodstuff.

Recorded use

Wiktionary examples

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

  1. The abomasa of sheep grazing on natural pastures in the highveld of Zimbabwe were examined at Mt. Hampden abattoir between October 1985 and September 1986 for H. contortus. Of 304 abomasa, 213 (70%) harboured H. contortus.
  2. 1996 [1991, Ellis Horwood Limited], R. K. Robinson, A. Y. Tamime, Feta & Related Cheeses, Woodhead Publishing Limited, page 54, Traditionally, coagulation of the milk for Feta cheese manufacture was achieved using rennet produced by cheesemakers themselves from the abomasa of lambs and kids slaughtered before weaning.

Etymology

From New Latin abomāsum, from ab- (“away from”) + omāsum (“tripe of a bullock”).

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "abomasum"?
"abomasum" is spelled A-B-O-M-A-S-U-M. The IPA pronunciation is /ˌæb.oʊˈmeɪ.səm/.
What does "abomasum" mean?
As a noun, "abomasum" means: The fourth digestive compartment of the stomach of a cow or other ruminant, after the omasum;
How do you pronounce "abomasum"?
The IPA (International Phonetic Alphabet) transcription for "abomasum" is /ˌæb.oʊˈmeɪ.səm/. 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 "abomasum"?
From New Latin abomāsum, from ab- (“away from”) + omāsum (“tripe of a bullock”). 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