opisthosome

\ɔ.pis.tɔ.zɔm\

/\ɔ.pis.tɔ.zɔm\/ noun

The verdict

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

Unranked
below top-frequency French
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abdomen des chélicérates (araignées, etc.) résultant de la fusion du mésosome et du métasome et comprenant donc le cœur et l'appareil respiratoire.

Corpus desk

Index FR-opisthosome · opisthosome · French

opisthosome · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" thin
  • PHOTO-UNK Peer pending

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 opisthosome
PropertyValue
Headwordopisthosome
LanguageFrench
Part of speechNoun
IPA\ɔ.pis.tɔ.zɔm\
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « opisthosome » en français

opisthosomereste hors des 100.000 mots français les plus fréquents, dans la longue queue du vocabulaire technique, archaïque ou rare, là où le doute d'orthographe frappe.

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

Rare enough to double-check

opisthosome is uncommon French outside the top frequency list, classed as anoun, transcribed \ɔ.pis.tɔ.zɔm\. Rarity is why readers land here mid-draft. Gloss: "Abdomen des chélicérates (araignées, etc.) résultant de la fusion du mésosome et du métasome et comprenant donc le cœur et l'appareil respiratoire.".

opisthosome has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

No documented word history exists for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is opisthosome, spelled O-P-I-S-T-H-O-S-O-M-E.

Definition

  1. 1
    Abdomen des chélicérates (araignées, etc.) résultant de la fusion du mésosome et du métasome et comprenant donc le cœur et l'appareil respiratoire.

Recorded use

Wiktionary examples

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

  1. Il faut souligner que la disparition des limites des métamères ou lipomérisme est surtout connue comme un phénomène de macroévolution; il se produit par exemple chez les Arachnides dont l’opisthosome a une segmentation visible chez les Scorpions et une segmentation cachée chez les Araignées.
  2. Le corps, recouvert d’une cuticule, est divisé en deux tagmes : un prosome antérieur et un opisthosome postérieur.

Synonyms

Antonyms

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 "opisthosome"?
"opisthosome" is spelled O-P-I-S-T-H-O-S-O-M-E. The IPA pronunciation is \ɔ.pis.tɔ.zɔm\.
What does "opisthosome" mean?
As a noun, "opisthosome" means: Abdomen des chélicérates (araignées, etc.) résultant de la fusion du mésosome et du métasome et comprenant donc le cœur et l'appareil respiratoire.
How do you pronounce "opisthosome"?
The IPA (International Phonetic Alphabet) transcription for "opisthosome" is \ɔ.pis.tɔ.zɔm\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "opisthosome" come from?
"opisthosome" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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