molluscum contagiosum

noun

"molluscum-contagiosum" is a 20-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
21
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A viral infection of the skin or (occasionally) mucous membranes, caused by Molluscum contagiosum virus (MCV), a DNA poxvirus.

Corpus desk

Index EN-molluscum-contagiosum · molluscum contagiosum · English

molluscum contagiosum · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 21 letters
  • VOW-8 8 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" 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 molluscum contagiosum
PropertyValue
Headwordmolluscum contagiosum
LanguageEnglish
Part of speechNoun
Letters21
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “molluscum contagiosum” in English

molluscum contagiosumfalls 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

molluscum contagiosum is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A viral infection of the skin or (occasionally) mucous membranes, caused by Molluscum contagiosum virus (MCV), a DNA poxvirus.".

No generated misspelling entries exist for molluscum contagiosum in our index, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Latin inflected forms of molluscus (“soft”), + contagiosus (“contagious”) (from contagio (“contact”)). The correct English form is molluscum contagiosum, spelled M-O-L-L-U-S-C-U-M- -C-O-N-T-A-G-I-O-S-U-M.

Definition

  1. 1
    A viral infection of the skin or (occasionally) mucous membranes, caused by Molluscum contagiosum virus (MCV), a DNA poxvirus.

Recorded use

Wiktionary examples

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

  1. The virus causing molluscum contagiosum is a member of the DNA pox family. It is particularly prevalent in underdeveloped countries, and afflicts over 20% of the population in some South Pacific regions. Children are its prime target, but adults can be affected as well.
  2. Molluscum contagiosum is a viral infection caused by the large poxvirus, and, as the name implies, it is spread by direct contact. In older adolescents and adults, it is most often passed by sexual contact.

Etymology

From Latin inflected forms of molluscus (“soft”), + contagiosus (“contagious”) (from contagio (“contact”)).

Synonyms

MCwater wart

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 "molluscum contagiosum"?
"molluscum contagiosum" is spelled M-O-L-L-U-S-C-U-M- -C-O-N-T-A-G-I-O-S-U-M.
What does "molluscum contagiosum" mean?
As a noun, "molluscum contagiosum" means: A viral infection of the skin or (occasionally) mucous membranes, caused by Molluscum contagiosum virus (MCV), a DNA poxvirus.
What is the origin of the word "molluscum contagiosum"?
From Latin inflected forms of molluscus (“soft”), + contagiosus (“contagious”) (from contagio (“contact”)). 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