Triassic
/tɹaɪˈæs.ɪk/adjective
Triassic is spelled T-R-I-A-S-S-I-C: 8 letters and 3 syllables. It appears about once in every 2 million words in written English, the 37,459th most frequent word form (wordfreq, 2021 data). As an adjective, Triassic means “Of or from the geologic strata above the Permian and below the Jurassic; of or belonging to the period 250 to 200 million years ago when these strata…” (English Wiktionary, September 2026).
How many letters and syllables are in Triassic?
| Letters | 8: T-R-I-A-S-S-I-C |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 37,459th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is Triassic?
Triassic appears about once in every 2 million words in written English, the 37,459th 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).
How do you pronounce Triassic?
- /tɹaɪˈæs.ɪk/
Triassic has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-Triassic.wav, Wikimedia Commons (author and licence on each file's page).
What does Triassic mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Of or from the geologic strata above the Permian and below the Jurassic; of or belonging to the period 250 to 200 million years ago when these strata were laid down.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Triassic in Spanish, French, German and Portuguese
In the sense relating to the Triassic period:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does Triassic come from?
From Trias (“three-layered geologic strata between the Permian and Jurassic”) < German Trias < Ancient Greek τριάς (triás, “triad”), + -ic. Coined in 1841 by geologist Friedrich August von Alberti (1795–1878).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).