rheostat
/ˈɹiː.ə.stat/
"rheostat" is a 8-letter English headword indexed on PlainSpell.
The verdict
“rheostat” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An electrical resistor, with two terminals, whose resistance is continuously variable by moving a knob or slider.
Corpus desk
Index EN-rheostat · rheostat · English
rheostat · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 8 letters
- VOW-3 3 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 | rheostat |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈɹiː.ə.stat/ |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “rheostat” in English
Rare enough to double-check
rheostat is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈɹiː.ə.stat/. Rarity is why readers land here mid-draft. Gloss: "An electrical resistor, with two terminals, whose resistance is continuously variable by moving a knob or slider.".
No generated misspelling entries exist for rheostat in our index, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From rheo- + -stat. The correct English form is rheostat, spelled R-H-E-O-S-T-A-T.
Definition
- 1An electrical resistor, with two terminals, whose resistance is continuously variable by moving a knob or slider.
Etymology
From rheo- + -stat.
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.