ตรี
dtriiMeanings
three; tri-
the number three; also used as a learned prefix meaning ‘three’ or ‘triple’ in Sanskrit-Pali-derived terms (e.g., ตรีมิติ ‘three-dimensional’)
Examples
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third (grade/level)
showing the third level, class, or grade in certain formal, educational, or traditional ranking systems
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bachelor’s degree level
the undergraduate degree level in Thai educational classification (contrast with โทโทtoo1master’s degree level; graduate (M.A./M.S.)2Thai tone name (falling tone)3second; secondary4second class; second rank ‘master’s’, เอกเอกèek1major (field of study)2one; single; unique; exceptional3principal; primary4A; first class; first rank; top grade5ace (playing card) ‘doctoral’)
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trident
a three‑pronged spear; often in mythological or emblematic contexts
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Tones
See how the spelling sets each syllable's tone, step by step.
How the tone is decided
- Consonant classMid classConsonant clusterIn the cluster ตร, the first consonant ต sets the class.
- Tone markNo tone mark
- Syllable endingLive syllableA long vowel with no final consonant, so it is live.
Mid class consonants
กจฎฏดตบปอ
Result
Mid tone
dtrii
Level, in your normal speaking voice.
Mid class + No tone mark + Live syllable → Mid
Tone chart
Every class and spelling pattern, with this syllable outlined.
| Mid class | High class | Low class | |
|---|---|---|---|
| No mark + live | Mid | Rising | Mid |
| No mark + dead short | Low | Low | High |
| No mark + dead long | Low | Low | Falling |
| Mai ek | Low | Low | Falling |
| Mai tho | Falling | Falling | High |
| Mai tri | High | — | — |
| Mai chattawa | Rising | — | — |