Horologium
"horologium" is a 10-letter English headword indexed on PlainSpell.
The verdict
“Horologium” is uncommon English (outside the top frequency list), classed as a proper noun. 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) - Synonym of Tower of the Winds, a monument in ancient Athens that included a clepsydra and multiple prominent sundials.
Corpus desk
Index EN-horologium · Horologium · English
Horologium · 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 "H" 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 | Horologium |
| Language | English |
| Part of speech | Proper noun |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Horologium” in English
Rare enough to double-check
Horologium is uncommon English outside the top frequency list, classed as aproper noun. Rarity is why readers land here mid-draft. 4 senses are on record.
Horologium doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. 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: See horologium. As a location in Rome, a clipping of Latin Hōrologium Augustī (“Sundial of Augustus”). As a constellation, a clipping of Latin Hōrologium Oscillitorium (“Pendulum Clock”), coined in 1763 by the French astronomer De Lacaille to honor the Dutc… The correct English form is Horologium, spelled H-O-R-O-L-O-G-I-U-M.
Definition
- 1Synonym of Tower of the Winds, a monument in ancient Athens that included a clepsydra and multiple prominent sundials.
- 2Synonym of Solarium, a monument in ancient Rome whose obelisk was once believed to have acted as a sundial gnomon.
- 3A constellation of the southern sky, said to resemble a pendulum clock. It lies between the constellations Fornax and Dorado.
- 4Alternative letter-case form of horologium, the book of hours in the Eastern Orthodox and Catholic churches.
Etymology
See horologium. As a location in Rome, a clipping of Latin Hōrologium Augustī (“Sundial of Augustus”). As a constellation, a clipping of Latin Hōrologium Oscillitorium (“Pendulum Clock”), coined in 1763 by the French astronomer De Lacaille to honor the Dutch astronomer and mathematician Christian Huygens, who had written a major work by that name.
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.