diabetes mellitus

/ˌdaɪəˈbiːtiːz/

//ˌdaɪəˈbiːtiːz// noun

"diabetes-mellitus" is a 16-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
17
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A medical disorder commonly called diabetes, characterized by varying or persistent hyperglycemia (high blood sugar levels), especially after eating. It is classified in two types, which are differ...

Corpus desk

Index EN-diabetes-mellitus · diabetes mellitus · English

diabetes mellitus · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 17 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" 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 diabetes mellitus
PropertyValue
Headworddiabetes mellitus
LanguageEnglish
Part of speechNoun
IPA/ˌdaɪəˈbiːtiːz/
Letters17
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “diabetes mellitus” in English

diabetes mellitusfalls 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

diabetes mellitus is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌdaɪəˈbiːtiːz/. Rarity is why readers land here mid-draft. Gloss: "A medical disorder commonly called diabetes, characterized by varying or persistent hyperglycemia (high blood sugar levels), especially after eating. It is classified in two types, which are differ...".

The misspelling generator found no plausible variants for diabetes mellitus, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: Learned borrowing from New Latin diabetes mellitus (“diabetes of the sweet type”) (from the fact that in centuries past, physicians sometimes tasted a patient's urine to help diagnose the illness). The correct English form is diabetes mellitus, spelled D-I-A-B-E-T-E-S- -M-E-L-L-I-T-U-S.

Definition

  1. 1
    A medical disorder commonly called diabetes, characterized by varying or persistent hyperglycemia (high blood sugar levels), especially after eating. It is classified in two types, which are different etiologically but similar in clinical effects: type 1 and type 2.

Recorded use

Wiktionary example

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

  1. Patients initially may seek medical attention for diabetes mellitus, which becomes clinically manifest a few years after the onset of pancreatalgia.

Etymology

Learned borrowing from New Latin diabetes mellitus (“diabetes of the sweet type”) (from the fact that in centuries past, physicians sometimes tasted a patient's urine to help diagnose the illness).

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 "diabetes mellitus"?
"diabetes mellitus" is spelled D-I-A-B-E-T-E-S- -M-E-L-L-I-T-U-S. The IPA pronunciation is /ˌdaɪəˈbiːtiːz/.
What does "diabetes mellitus" mean?
As a noun, "diabetes mellitus" means: A medical disorder commonly called diabetes, characterized by varying or persistent hyperglycemia (high blood sugar levels), especially after eating. It is classified in two types, which are differ...
How do you pronounce "diabetes mellitus"?
The IPA (International Phonetic Alphabet) transcription for "diabetes mellitus" is /ˌdaɪəˈbiːtiːz/. 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 "diabetes mellitus"?
Learned borrowing from New Latin diabetes mellitus (“diabetes of the sweet type”) (from the fact that in centuries past, physicians sometimes tasted a patient's urine to help diagnose the illness). 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