3 syllables: Tri, as, sic. Stress on as.
treye-AS-ik
/ˌtɹaɪˈæˌsɪk/
Triassic is pronounced treye-AS-ik (/ˌtɹaɪˈæˌsɪk/). It has three syllables (Tri-as-sic), with the stress on "as". Triassic is a geological period lasting roughly 50 million years, following the Permian and preceding the Jurassic. In everyday use it also serves as an adjective for anything related to this period, such as Triassic fossils or Triassic climates. The term is commonly encountered in paleontology, geology, and natural history discourse.
nounTriassic is a geological period lasting roughly 50 million years, following the Permian and preceding the Jurassic. In everyday use it also serves as an adjective for anything related to this period, such as Triassic fossils or Triassic climates. The term is commonly encountered in paleontology, geology, and natural history discourse.
How to Pronounce Triassic
"Scientists discovered well-preserved Triassic fossils near the sedimentary basin."
"The Triassic climate set the stage for the rise of dinosaurs in later periods."
"We studied Triassic strata to understand early Mesozoic habitats."
Triassic is pronounced /ˈtraɪ.æsɪk/ in US and UK English, with the primary stress on the first syllable: TRI-ASS-ik. Break it into three parts: /ˈtraɪ/ (as in tri) + /ˈæs/ (as in mask without the m) + /ɪk/ (short i followed by k). In careful speech, you’ll hear a crisp /æ/ before the /s/ and a light, clipped final /k/. You can think “TRY-ASS-ik.” Audio references from standard dictionaries can help solidify the rhythm.
Common mistakes include shrinking /ˈtraɪ/ into a shorter vowel like /ə/ and misplacing the stress, saying tri-AY-sic or TRY-ASS-ick. Another error is running /æs/ and /ɪk/ together without clear separation, causing a /æsi/ blend. To correct: emphasize /ˈtraɪ/ with a crisp /a/ in /æ/ and clearly separate the syllables: /ˈtraɪ.æ.sɪk/ with a light pause between /æ/ and /s/ if enunciating carefully. Practice saying TRI-ASS-IK with a slow, deliberate pace, then speed up.
Across accents, the main variation is vowel quality and rhoticity. US/UK generally share /ˈtraɪ.æsɪk/, but US tends to be slightly flatter with a quicker /ˈtraɪ/ and a less sharply enunciated /æ/. UK English often has a crisper /æ/ and slightly stronger romanization of the /s/ before /ɪk/. Australian tends to be non-rhotic, with a gentle /ɪ/ as in /-ɪk/ and possible vowel coloring that makes /æ/ a bit more centralized. Overall the rhythm remains two stressed syllables early, with subtle shifts in vowel height.
The difficulty lies in the medial /æ/ before /s/ and the short, clipped final /ɪk/. Speakers may distort the /ɪ/ into a schwa or merge /əs/ with /sɪ/. Another challenge is keeping the three-syllable rhythm intact under fast speech, especially when followed by a consonant in scientific text. Focus on three discrete syllables: /ˈtraɪ/ /æ/ /sɪk/, with a light, precise /s/ and clearly articulated /ɪk/. Using slow drills helps internalize the pattern.
A common unique question is whether the initial 'Tri' is pronounced with a vowel like 'try' or a more clipped 'tri' as in 'triathlon'—the answer: it is /ˈtraɪ/ as in 'try', indicating a long i sound. The challenge also includes distinguishing /æ/ pre-sibilant /s/ rather than a longer /eɪ/ or /ɛ/; keep /æ/ crisp and avoid an /eɪ/ or /eɪs/ coalescence. The stress remains on the first syllable, with clear separation between /traɪ/ and /æsɪk/.
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The word Triassic comes from Latin tres, meaning three, combined with -assic from the scientific naming convention that segmented the Mesozoic into three periods: Triassic, Jurassic, and Cretaceous. The term was coined in the 19th century as geologists standardized the geologic time scale. Initially, the period was identified by distinctive fossil assemblages and strata in Europe and North America, with early researchers like von Humboldt and Suess contributing to the naming convention as paleontology emerged as a discipline. The use of Triassic reflected the sequence of three major era divisions seen in the Mesozoic: Triassic (early), Jurassic (middle), and Cretaceous (late). The first known uses appeared in the 1830s and 1840s, in works cataloging rock layers and fossil records, and the term quickly gained scientific traction as correlations across continents became possible, aided by evolving stratigraphic methods and fossil correlation techniques.
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Words that rhyme with "Triassic"
-tic sounds
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