achromatic
/ˌæk.ɹəˈmæt.ɪk/
"achromatic" is a 10-letter English headword indexed on PlainSpell.
The verdict
“achromatic” is an uncommon English word, ranked #95,649 in English word frequency and used as an adjective.
- #95,649
- frequency rank, English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Free from color; transmitting light without color-related distortion.
| Property | Value |
|---|---|
| Headword | achromatic |
| Language | English |
| Part of speech | Adjective |
| IPA | /ˌæk.ɹəˈmæt.ɪk/ |
| Letters | 10 |
| Frequency rank | #95,649 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “achromatic” sits in English frequency
Spelling & Dictionary Insight
The English entry for achromatic is 10 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˌæk.ɹəˈmæt.ɪk/. Corpus data places it at rank #95,649 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.
Our edit-distance generator produced no likely misspellings for achromatic, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From Ancient Greek ἀχρωμάτιστος (akhrōmátistos, “uncolored”), from ἀ- (a-, “not”) + χρῶμα (khrôma, “color”), equivalent to a- + chromatic; compare French achromatique. The correct English form is achromatic, spelled A-C-H-R-O-M-A-T-I-C.
Definition
- 1Free from color; transmitting light without color-related distortion.
- 2Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.
- 3Uncolored; not absorbing color from a fluid.
- 4Having only the diatonic notes of the scale; not modified by accidentals.
Etymology
From Ancient Greek ἀχρωμάτιστος (akhrōmátistos, “uncolored”), from ἀ- (a-, “not”) + χρῶμα (khrôma, “color”), equivalent to a- + chromatic; compare French achromatique.
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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “achromatic”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-C-H-R-O-M-A-T-I-C - every other letter order is a misspelling in standard orthography.
- Say it as /ˌæk.ɹəˈmæt.ɪk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.