luciferous
"luciferous" is a 10-letter English headword indexed on PlainSpell.
The verdict
“luciferous” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - illuminating; providing light.
Corpus desk
Index EN-luciferous · luciferous · English
luciferous · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "L" 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 | luciferous |
| Language | English |
| Part of speech | Adjective |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “luciferous” in English
Rare enough to double-check
luciferous is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for luciferous, a sign its spelling follows regular English conventions. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: Borrowed from Latin lucifer (“light-bearing”) (from lux, lucis (“light”)) + the suffix -ous. The correct English form is luciferous, spelled L-U-C-I-F-E-R-O-U-S.
Definition
- 1illuminating; providing light.
- 2Illuminating; offering insight.
Recorded use
Wiktionary exampleThese source excerpts show how luciferous appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
[I]t affords a very pleasant object through the Microscope, and may, perhaps, upon further examination, prove very luciferous.
Etymology
Borrowed from Latin lucifer (“light-bearing”) (from lux, lucis (“light”)) + the suffix -ous.
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.