ทดรอบ
tót-rɔ̂ɔpMeanings
1VerbB2
[to] reduce rotational speed; [to] gear down
to reduce the rotational speed or revolutions per minute (RPM) of a mechanical system, usually by using gears
Examples
ช่างchâangช่างchâang1artisan; mechanic; technician2crafts-; technical (prefix)3never mind; let it be4how (exclamatory)5[to] be inclined to; be given toกำลังgam-langกำลังgam-lang1currently; in the middle of2power; strength3power (physics)4troops; forcesใช้cháiใช้chái1[to] use; employ2[to] spend (money); pay; expend3[to] require; take (time/effort/amount)4[to] tell [sb] to do [sth]; assign; orderฟันเฟืองfan-fʉʉangฟันเฟืองfan-fʉʉang1gear tooth; cog2cog (figurative)เพื่อpʉ̂ʉaเพื่อpʉ̂ʉa1for; in order to2for the sake of; on behalf ofทดรอบtót-rɔ̂ɔpทดรอบtót-rɔ̂ɔp1[to] reduce rotational speed; [to] gear down2speed-reducing; geared-downเครื่องจักรkrʉ̂ʉang-jàkเครื่องจักรkrʉ̂ʉang-jàk1machine (single unit)2machinery (collective)ให้hâiให้hâi1[to] give; provide2[to] allow; let; permit3to; for [sb] (recipient)4[to] have [sb] do; cause to5for (benefit of)6so that; in order to7until; to the point that (result)ทำงานtam-ngaanทำงานtam-ngaan1[to] work; do one's job; be on duty2[to] function; operateช้าลงcháa-longช้าลงcháa-long1[to] slow down; become slower2more slowly
The mechanic is using gears to reduce the rotational speed of the machine to make it run slower.
3 more examplesShow less
ถ้าtâaเราraoไม่mâiทดรอบtót-rɔ̂ɔpมอเตอร์mɔɔ-dtə̂əก่อนgɔ̀ɔnเครื่องkrʉ̂ʉangอาจจะàat-jàหมุนmǔnเร็วเกินไปreo-gəən-bpaiจนjonพังpangได้dâai
If we don't reduce the rotational speed of the motor first, the machine might spin too fast and break down.
เราraoจำเป็นต้องjam-bpen-dtɔ̂ngทดรอบtót-rɔ̂ɔpการหมุนgaan-mǔnของkɔ̌ɔngเพลาขับplao-kàpเพื่อให้pʉ̂ʉa-hâiได้dâaiแรงบิดrɛɛng-bìtที่tîiสูงขึ้นsǔung-kʉ̂nในnaiการยกของgaan-yók-kɔ̌ɔngหนักnàk
We need to reduce the rotational speed of the drive shaft to achieve higher torque for lifting heavy objects.
วิศวกรwít-sà-wá-gɔɔnออกแบบɔ̀ɔk-bɛ̀ɛpระบบrá-bòpสายพานsǎai-paanนี้níiเพื่อpʉ̂ʉaทดtótรอบเครื่องยนต์rɔ̂ɔp-krʉ̂ʉang-yonให้hâiเหมาะสมmɔ̀-sǒmกับgàpการใช้งานgaan-chái-ngaanอย่างต่อเนื่องyàang-dtɔ̀ɔ-nʉ̂ʉang
The engineer designed this belt system to reduce the engine's rotational speed to be suitable for continuous operation.
2AdjectiveB2
speed-reducing; geared-down
made to reduce rotational speed, often used to describe gears, motors, or gearboxes
Examples
โรงงานroong-ngaanโรงงานroong-ngaanfactory; plantของเราkɔ̌ɔng-raoของเราkɔ̌ɔng-rao1our (belonging to us)2oursเพิ่งpə̂ngเพิ่งpə̂ng1just; recently2only just now; only nowสั่งซื้อsàng-sʉ́ʉสั่งซื้อsàng-sʉ́ʉ[to] order; place an orderมอเตอร์mɔɔ-dtə̂əมอเตอร์mɔɔ-dtə̂ə1electric motor2motor (a machine that produces motion)3engine (informal, esp. vehicle)ทดรอบtót-rɔ̂ɔpทดรอบtót-rɔ̂ɔp1[to] reduce rotational speed; [to] gear down2speed-reducing; geared-downตัวdtuuaตัวdtuua1body; self; person (colloq.)2classifier: animals, garments, furniture, certain items; people (informal)3character; figureใหม่màiใหม่mài1new; not old2new; different; fresh3again; anew4new; inexperienced (novice)5hibiscus (Northern Thai)มาmaaมาmaa1[to] come; arrive2[to] come to (a state or situation)3past/as of now aspect markerเปลี่ยนbplìianเปลี่ยนbplìian1[to] change; become different2[to] switch; replace; exchangeแทนtɛɛnแทนtɛɛn1instead; rather2[to] replace; substitute for3in place of; on behalf ofตัวdtuuaตัวdtuua1body; self; person (colloq.)2classifier: animals, garments, furniture, certain items; people (informal)3character; figureเก่าgàoเก่าgào1old; not new2former; previous3old-fashioned; outdated
Our factory just ordered a new gear motor (speed-reducing motor) to replace the old one.
3 more examplesShow less
คุณkunต้องdtɔ̂ngใช้cháiเกียร์giiaทดรอบtót-rɔ̂ɔpเพื่อpʉ̂ʉaเพิ่มแรงpə̂əm-rɛɛngดึงdʉngของkɔ̌ɔngกว้านgwâan
You have to use a reduction gear to increase the pulling force of the winch.
ชุดเกียร์chút-giiaทดรอบtót-rɔ̂ɔpในnaiเครื่องจักรkrʉ̂ʉang-jàkตัวdtuuaนี้níiมีปัญหาmii-bpan-hǎaทำให้tam-hâiสายพานsǎai-paanทำงานtam-ngaanกระตุกgrà-dtùk
The reduction gear unit in this machine has a problem, causing the conveyor belt to operate jerkily.
การเลือกgaan-lʉ̂ʉakมอเตอร์mɔɔ-dtə̂əทดรอบtót-rɔ̂ɔpที่tîiมีmiiอัตราทดàt-dtraa-tótเหมาะสมmɔ̀-sǒmจะjàช่วยchûuaiประหยัดพลังงานbprà-yàt-pá-lang-ngaanในnaiกระบวนการผลิตgrà-buuan-gaan-pà-lìtได้dâaiมากmâak
Choosing a gear motor with an appropriate reduction ratio can greatly save energy in the production process.
Tones
See how the spelling sets each syllable's tone, step by step.
2 syllables · pick one to see its rule
How the tone is decided
- Consonant classLow class
- Tone markNo tone mark
- Syllable endingDead syllableShort vowelEnds in -ด, a stop, so it is dead.
Low class consonants
คฅฆงชซฌญฑฒณทธนพฟภมยรลวฬฮ
Result
High tone
tót
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 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 | — | — |
Word Breakdown
ทดtótทดtót1[to] compensate; make up for2[to] dam; raise the water level3[to] carry (a digit in arithmetic)[to] compensate; make up forPart 1
+
รอบrɔ̂ɔpรอบrɔ̂ɔp1around; surrounding2round; cycle; lap; turn3time slot; session4perimeter; circumference; surrounding area5classifier: rounds; laps; showings6all around; fullyaround; surroundingPart 2
ทดรอบtót-rɔ̂ɔpทดรอบtót-rɔ̂ɔp[to] reduce rotational speed; [to] gear down[to] reduce rotational speed; [to] gear downWord