rock salt
"rock-salt" is a 8-letter English headword indexed on PlainSpell.
The verdict
“rock salt” is uncommon English (outside the top frequency list), classed as a noun. 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) - The mineral halite.
Corpus desk
Index EN-rock-salt · rock salt · English
rock salt · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "R" 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 | rock salt |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “rock salt” in English
Rare enough to double-check
rock salt is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
No generated misspelling entries exist for rock salt in our index, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From rock + salt. The correct English form is rock salt, spelled R-O-C-K- -S-A-L-T.
Definition
- 1The mineral halite.
- 2Coarsely ground common salt, often used as road salt, as feedstock, or for other applications.
- 3Synonym of sea salt, due to its rocky texture.
Recorded use
Wiktionary exampleThese source excerpts show how rock salt appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Farther to the southward, the rivers which are affluent to the Colorado, such as the Rio Virgen, and Gila river, near their mouths, are impregnated with salt by the cliffs of rock salt between which they pass.
Etymology
From rock + salt.
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.