acidproof
"acidproof" is a 9-letter English headword indexed on PlainSpell.
The verdict
“acidproof” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Resistant to the corrosive effects of acid.
Corpus desk
Index EN-acidproof · acidproof · English
acidproof · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "A" 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.
| Property | Value |
|---|---|
| Headword | acidproof |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “acidproof” in English
Rare enough to double-check
acidproof is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Resistant to the corrosive effects of acid.".
Our edit-distance generator produced no likely misspellings for acidproof, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From acid + -proof. The correct English form is acidproof, spelled A-C-I-D-P-R-O-O-F.
Definition
- 1Resistant to the corrosive effects of acid.
Etymology
From acid + -proof.
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.