avitaminosis

noun

"avitaminosis" is a 12-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any disease which is caused by vitamin deficiency.

Corpus desk

Index EN-avitaminosis · avitaminosis · English

avitaminosis · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-6 6 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 avitaminosis
PropertyValue
Headwordavitaminosis
LanguageEnglish
Part of speechNoun
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “avitaminosis” in English

avitaminosisfalls 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

avitaminosis is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any disease which is caused by vitamin deficiency.".

Zero misspellings are on record for avitaminosis in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From a- + vitamin + -osis. The correct English form is avitaminosis, spelled A-V-I-T-A-M-I-N-O-S-I-S.

Definition

  1. 1
    Any disease which is caused by vitamin deficiency.

Recorded use

Wiktionary example

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

  1. Watching him, Dorrigo Evans wondered if it was avitaminosis or the combined damage of several maladies that had done this—whatever the cause, he was painfully aware that food would cure this and almost all of the afflictions he saw.

Etymology

From a- + vitamin + -osis.

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 "avitaminosis"?
"avitaminosis" is spelled A-V-I-T-A-M-I-N-O-S-I-S.
What does "avitaminosis" mean?
As a noun, "avitaminosis" means: Any disease which is caused by vitamin deficiency.
What is the origin of the word "avitaminosis"?
From a- + vitamin + -osis. 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