ทศนิยม
tót-sà-ní-yomMeanings
1NounB1
decimal; decimal number
a number written with a decimal point, representing a value in base 10 (e.g., 3.14, 0.5)
Examples
ครูkruuครูkruu1teacher2master; mentor (respectful)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)เขียนkǐianเขียนkǐian1[to] write2[to] draw; sketch3[to] fill out; write in4[to] compose; author5[to] write (data); burn (a disc)คำตอบkam-dtɔ̀ɔpคำตอบkam-dtɔ̀ɔp1answer; reply2solution; correct answerเป็นbpenเป็นbpen1to be (identity/category/state)2to become3[to] know how; be able to (skill)4alive; living5[to] have; suffer from; be in (a condition)ทศนิยมtót-sà-ní-yomทศนิยมtót-sà-ní-yom1decimal; decimal number2decimal (relating to base 10)เช่นchênเช่นchên1for example; such as2like; as0.5หรือrʉ̌ʉหรือrʉ̌ʉ1or (choice/alternative)2or?; really? (question/finality particle)3.14
The teacher asked to write the answers as decimals, such as 0.5 or 3.14.
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เวลาwee-laaแบ่งbɛ̀ngเค้กkéekครึ่งkrʉ̂ngชิ้นchínเราraoเขียนkǐianเป็นbpenทศนิยมtót-sà-ní-yomได้dâaiว่าwâa0.5
When we divide a cake into half, we can write it as the decimal 0.5.
ราคาถูกraa-kaa-tùukปัดbpàtเป็นbpenทศนิยมtót-sà-ní-yomสองsɔ̌ɔngตำแหน่งdtam-nɛ̀ngเพื่อให้pʉ̂ʉa-hâiอ่านง่ายàan-ngâaiและlɛ́ชัดเจนchát-jeen
The price is rounded to two decimal places to make it easy and clear to read.
ผลpǒnการคำนวณgaan-kam-nuuanออกมาɔ̀ɔk-maaเป็นbpenทศนิยมtót-sà-ní-yomยาวyaaoเราraoจึงjʉngตัดdtàtให้hâiเหลือlʉ̌ʉaเพียงpiiangสามsǎamตำแหน่งdtam-nɛ̀ng
The calculation produced a long decimal, so we truncated it to just three places.
2AdjectiveB1
decimal (relating to base 10)
relating to the base-10 number system or to numbers written with a decimal point
Examples
ที่tîiที่tîi1place; spot; seat; space2at; in; to (a place)3classifier: places; seats; individual servings4that/which/who (relative marker)5when; the time that (time marker)6ordinal markerโรงเรียนroong-riianโรงเรียนroong-riianschoolเราraoเราrao1we; us2I; me (informal/regional)เรียนriianเรียนriian1[to] study; learn2[to] respectfully inform; address (formal)ระบบrá-bòpระบบrá-bòpsystem; organized methodทศนิยมtót-sà-ní-yomทศนิยมtót-sà-ní-yom1decimal; decimal number2decimal (relating to base 10)ซึ่งsʉ̂ngซึ่งsʉ̂ng1which; that (relative pronoun)2which/and this; introducing explanationใช้cháiใช้chái1[to] use; employ2[to] spend (money); pay; expend3[to] require; take (time/effort/amount)4[to] tell [sb] to do [sth]; assign; orderฐานtǎanฐานtǎan1base; foundation2base (operations)3basis; grounds4[on the] charge of; for the offence of (ฐาน + alleged offence)5base (mathematics)6base (baseball)7rank; social standingสิบsìpสิบsìp1ten2ten; unit of tenในnaiในnai1in; inside; within2during; in (time)3of; belonging to (formal)การนับgaan-nápการนับgaan-nápcounting; a countและlɛ́และlɛ́and (coordinating)คำนวณkam-nuuanคำนวณkam-nuuan[to] calculate; compute
At school, we learn the decimal system, which uses base ten for counting and calculations.
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ครูkruuอธิบายà-tí-baaiว่าwâaเครื่องวัดkrʉ̂ʉang-wátบางชนิดbaang-chá-nítแสดงผลsà-dɛɛng-pǒnแบบbɛ̀ɛpทศนิยมtót-sà-ní-yomเพื่อให้pʉ̂ʉa-hâiค่าkâaออกมาɔ̀ɔk-maaละเอียดlá-ìiatขึ้นkʉ̂n
The teacher explained that some measuring devices display results in decimal form to provide more precise values.
เมื่อmʉ̂ʉaแปลงbplɛɛngหน่วยnùuaiเราraoมักmákใช้การchái-gaanคูณkuunและlɛ́หารhǎanในnaiระบบrá-bòpทศนิยมtót-sà-ní-yomเพราะprɔ́ตำแหน่งdtam-nɛ̀ngหลักlàkเพิ่มpə̂əmหรือrʉ̌ʉลดlótทีละtii-láสิบsìp
When converting units, we often use multiplication and division in the decimal system because place values increase or decrease by tens.
อัลกอริทึมan-gɔɔ-rí-tʉmการปัดgaan-bpàtเศษsèetแบบbɛ̀ɛpทศนิยมtót-sà-ní-yomต้องdtɔ̂ngกำหนดgam-nòtจำนวนjam-nuuanตำแหน่งdtam-nɛ̀ngหลังlǎngจุดjùtและlɛ́กติกาgà-dtì-gaaการปัดgaan-bpàtอย่างชัดเจนyàang-chát-jeenเพื่อpʉ̂ʉaหลีกเลี่ยงlìik-lîiangความคลาดเคลื่อนkwaam-klâat-klʉ̂ʉanสะสมsà-sǒm
A decimal rounding algorithm must specify the number of places after the point and clear rounding rules to avoid cumulative error.
Tones
See how the spelling sets each syllable's tone, step by step.
Why is ทศนิยม said ทด-สะ-นิ-ยม?
tót-sà-ní-yom
The tone rules below use the spoken syllables.
4 syllables · pick one to see its rule
How the tone is decided
- Consonant classLow class
- Tone markNo tone mark
- Syllable endingDead syllableShort vowelEnds in -ศ, 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
+
นิยมní-yomนิยมní-yom1[to] favor; be popular; be in vogue2favor; esteem; preference3custom; accepted usage4-ism; ideology; doctrine[to] favor; be popular; be in voguePart 2
ทศนิยมtót-sà-ní-yomทศนิยมtót-sà-ní-yomdecimal; decimal numberdecimal; decimal numberWord