achromatisme

\a.kʁɔ.ma.tism\

/\a.kʁɔ.ma.tism\/ noun

The verdict

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

Unranked
below top-frequency French
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Propriété ou effet des lunettes achromatiques, qui fait qu’elles donnent des images sans franges irisées (sans aberration chromatique).

Corpus desk

Index FR-achromatisme · achromatisme · French

achromatisme · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" 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 achromatisme
PropertyValue
Headwordachromatisme
LanguageFrench
Part of speechNoun
IPA\a.kʁɔ.ma.tism\
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « achromatisme » en français

achromatismesiège au-delà des 100.000 formes les plus fréquentes du français, dans la traîne du lexique spécialisé ou peu usité.

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

Rare enough to double-check

achromatisme is uncommon French outside the top frequency list, classed as anoun, transcribed \a.kʁɔ.ma.tism\. Rarity is why readers land here mid-draft. Gloss: "Propriété ou effet des lunettes achromatiques, qui fait qu’elles donnent des images sans franges irisées (sans aberration chromatique).".

We couldn't generate a plausible misspelling set for achromatisme, suggesting the orthography follows predictable French patterns. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This headword's origin isn't recorded in our source data, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is achromatisme, spelled A-C-H-R-O-M-A-T-I-S-M-E.

Definition

  1. 1
    Propriété ou effet des lunettes achromatiques, qui fait qu’elles donnent des images sans franges irisées (sans aberration chromatique).

Recorded use

Wiktionary example

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

  1. Le but de l'achromatisme est de trouver un moyen de faire disparaître ce défaut des appareils lenticulaires, c'est-à-dire d'amener à un même foyer les rayons de toutes les teintes primitives.

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 "achromatisme"?
"achromatisme" is spelled A-C-H-R-O-M-A-T-I-S-M-E. The IPA pronunciation is \a.kʁɔ.ma.tism\.
What does "achromatisme" mean?
As a noun, "achromatisme" means: Propriété ou effet des lunettes achromatiques, qui fait qu’elles donnent des images sans franges irisées (sans aberration chromatique).
How do you pronounce "achromatisme"?
The IPA (International Phonetic Alphabet) transcription for "achromatisme" is \a.kʁɔ.ma.tism\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "achromatisme" come from?
"achromatisme" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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