orthoceras
noun
orthoceras is spelled O-R-T-H-O-C-E-R-A-S: 10 letters. It appears about once in every 63 million words in written English, the 249,463rd most frequent word form (wordfreq, 2021 data). As a noun, orthoceras means “Any nautiloid cephalopod mollusc of the genus Orthoceras, known only as fossils” (English Wiktionary, September 2026). The plural of orthoceras is orthocerata.
How many letters and syllables are in orthoceras?
| Letters | 10: O-R-T-H-O-C-E-R-A-S |
|---|---|
| In writing | about once in every 63 million words; the 249,463rd most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is orthoceras?
Orthoceras appears about once in every 63 million words in written English, the 249,463rd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Forms of orthoceras
- orthocerata plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does orthoceras mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any nautiloid cephalopod mollusc of the genus Orthoceras, known only as fossils
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does orthoceras come from?
From ortho- + Ancient Greek κέρας (kéras, “a horn”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).