polycrystalline
"polycrystalline" is a 15-letter English headword indexed on PlainSpell.
The verdict
“polycrystalline” is uncommon English (frequency #63,900 among 4,417 “P” headwords), classed as an adjective. The kind of spelling people second-guess.
- #63,900
- frequency rank, English
- 4,417
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Composed of an aggregate of very small crystals in random orientations
Corpus desk
Index EN-polycrystalline · polycrystalline · English
polycrystalline · rank #63,900 · 0 variants · 0 confusables
- FREQ-RARE #63,900
- LEN-MEGA 15 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,417
- PHOTO-FINISH pollinator
Nearest frequency peer: pollinator (-1 rank slots)
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.
Frequency neighbourhood for “polycrystalline”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- playgroup
playgroup
36,105 corpus weight
- Poitiers
Poitiers
36,103 corpus weight
- pollinator
pollinator
36,102 corpus weight
- polycrystal…
polycrystalline
36,101 corpus weight
- porphyry
porphyry
36,099 corpus weight
- posada
posada
36,098 corpus weight
What this shows Bars show where “polycrystalline” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | polycrystalline |
| Language | English |
| Part of speech | Adjective |
| Letters | 15 |
| Frequency rank | #63,900 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “polycrystalline” sits in English frequency
Rare enough to double-check
polycrystalline is uncommon English at frequency #63,900 among 4,417 “P” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Composed of an aggregate of very small crystals in random orientations".
The misspelling generator found no plausible variants for polycrystalline, and the word's spelling is regular enough that our generator found nothing worth flagging. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From poly- + crystalline. The correct English form is polycrystalline, spelled P-O-L-Y-C-R-Y-S-T-A-L-L-I-N-E.
Definition
- 1Composed of an aggregate of very small crystals in random orientations
Recorded use
Wiktionary exampleThese source excerpts show how polycrystalline appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
This was revealed only in the experiments of ion bombardment of single crystals, because a polycrystalline material, even though its microcrystallites have a regular structure, in fact behaves like a nonarranged, random system.
Etymology
From poly- + crystalline.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "polycrystalline", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 15 letters (nearest by frequency rank).
What to do next
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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.