ทฤษฎี

trít-sà-dii

Meanings

1NounB2

theory (explanatory system)

a coherent system of ideas intended to explain phenomena, grounded in principles and evidence; contrasted with practice

Examples

7 more examples
2NounB2

theory (speculative idea)

an explanation or idea that is not yet proven; a hypothesis in everyday use

Examples

เขาkǎoเขาkǎo1he; him2she; her3they; them (context-dependent)4horn5mountain; hillมีmiiมีmii1[to] have; possess2there is/are; exist3[to] experience; undergoทฤษฎีtrít-sà-diiทฤษฎีtrít-sà-dii1theory (explanatory system)2theory (speculative idea)ว่าwâaว่าwâa1[to] say; tell2that (clause marker)3[to] think; consider; deem4[to] scold; reproach; criticizeถ้าtâaถ้าtâaif; in caseอ่านหนังสือàan-nǎng-sʉ̌ʉอ่านหนังสือàan-nǎng-sʉ̌ʉ[to] read; [to] studyตอนเช้ามืดdtɔɔn-cháo-mʉ̂ʉtตอนเช้ามืดdtɔɔn-cháo-mʉ̂ʉtearly dawn; before sunriseจะjàจะjà1will; shall (future/intention marker)2about to; going to (near future, often w/ กำลังจะ)3will; would (in conditional results)จำjamจำjam1[to] remember; recall2[to] memorize3[to] recognize4defendant (legal shorthand)ได้ดีขึ้นdâai-dii-kʉ̂nได้ดีขึ้นdâai-dii-kʉ̂n1better (than before)2[to] be better off; become more successfulแต่ยังdtɛ̀ɛ-yangแต่ยังdtɛ̀ɛ-yangbut still; yetไม่เคยmâi-kəəiไม่เคยmâi-kəəinever; have neverลองlɔɔngลองlɔɔng[to] try; attemptพิสูจน์pí-sùutพิสูจน์pí-sùut1[to] test; [to] try out2[to] prove; [to] verifyจริงjingจริงjing1true; real; genuine2really; truly; indeed3intensifier particle (final)4truth; reality (rare as noun)
He has a theory that reading at dawn helps memory, but he hasn't tried to prove it yet.
3 more examples

Tones

See how the spelling sets each syllable's tone, step by step.

Why is ทฤษฎี said ทริด-สะ-ดี?

trít-sà-dii

The tone rules below use the spoken syllables.

3 syllables · pick one to see its rule

How the tone is decided

  1. Consonant classLow classConsonant clusterIn the cluster ทร, the first consonant ท sets the class.
  2. Tone markNo tone mark
  3. Syllable endingDead syllableShort vowelEnds in -ด, a stop, so it is dead.

Low class consonants

คฅฆงชซฌญฑฒณทธนพฟภมยรลวฬฮ

Result

High tone

trít

Starts high and keeps climbing.

Low class + No tone mark + Dead syllable · Short vowel → High

Tone chart

Every class and spelling pattern, with this syllable outlined.

Mid classHigh classLow class
No mark + liveMidRisingMid
No mark + dead shortLowLowHigh
No mark + dead longLowLowFalling
Mai ekLowLowFalling
Mai thoFallingFallingHigh
Mai triHigh——
Mai chattawaRising——