คอส
kɔ̂ɔtMeanings
1NounA2
course (loanword; informal)
Informal Thai spelling from English “course,” meaning a class or training program.
Examples
ฉันchǎnฉันchǎn1I; me2[to] eat (of Buddhist monks and novices)สมัครเรียนsà-màk-riianสมัครเรียนsà-màk-riian1[to] apply for admission2[to] enroll/register (for a course)คอสkɔ̂ɔtคอสkɔ̂ɔt1course (loanword; informal)2cost; price (loanword; informal)3cos (trigonometry; informal spelling)ภาษาอังกฤษpaa-sǎa-ang-grìtภาษาอังกฤษpaa-sǎa-ang-grìt1the English language2English (school subject)พื้นฐานpʉ́ʉn-tǎanพื้นฐานpʉ́ʉn-tǎan1basic; fundamental2foundation; basis3background (knowledge/education)
I signed up for a basic English course.
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เมื่อวานmʉ̂ʉa-waanครูแนะนำkruu-nɛ́-namคอสkɔ̂ɔtถ่ายภาพtàai-pâapสำหรับsǎm-ràpผู้เริ่มต้นpûu-rə̂əm-dtôn
Yesterday the teacher recommended a photography course for beginners.
เสาร์sǎoหน้าnâaฉันchǎnจะjàเริ่มrə̂əmคอสkɔ̂ɔtทำtamขนมkà-nǒmที่tîiสตูดิโอsà-dtuu-dì-ooแถวบ้านtɛ̌ɛo-bâan
Next Saturday I will start a baking course at the studio near my house.
ถ้าtâaอยากyàakพัฒนาpát-tá-naaทักษะták-sàการพูดgaan-pûutลองlɔɔngลงlongคอสkɔ̂ɔtสนทนาsǒn-tá-naaที่tîiมีmiiการฝึกgaan-fʉ̀kกับgàpเจ้าของภาษาjâao-kɔ̌ɔng-paa-sǎaโดยตรงdooi-dtrong
If you want to improve speaking skills, try enrolling in a conversation course that includes direct practice with native speakers.
2NounB1
cost; price (loanword; informal)
Informal Thai spelling from English “cost,” meaning the price or expense of sth.
Examples
ทริปtrípทริปtríptrip; short journey; outingนี้níiนี้níi1this (near speaker)2this one3this; the present (time/topic)คอสkɔ̂ɔtคอสkɔ̂ɔt1course (loanword; informal)2cost; price (loanword; informal)3cos (trigonometry; informal spelling)ทั้งหมดtáng-mòtทั้งหมดtáng-mòt1all; entire; whole2all; in total; completely3the whole; everythingประมาณbprà-maanประมาณbprà-maan1approximately; about2[to] estimate; approximate3estimate (noun)4moderate; reasonable (literary)ห้าhâaห้าhâafive (number)พันpanพันpan1thousand (1,000)2thousand (modifier)3[to] wrap; wind; coil; bandage4[to be] involved; entangled; implicatedบาทbàatบาทbàat1baht (Thai currency unit)2baht (classifier for Thai currency amounts)3foot (literary)รวมruuamรวมruuam1[to] include; contain2[to] gather; combine; consolidate3total; sum; aggregate4in total; altogether; overall5combined; total; overallที่พักtîi-pákที่พักtîi-pák1accommodation; lodging2residence; quarters3shelter; place of refugeกับgàpกับgàp1with; together with2and (informal)3side dish; accompaniment4against; versus5to; toward (recipient/target)6classifier: sets/pairs (spoon and fork)ค่าเดินทางkâa-dəən-taangค่าเดินทางkâa-dəən-taangtravel expenses; transportation costs
The total cost for this trip is around five thousand baht, including accommodation and transportation.
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เราraoต้องdtɔ̂ngเช็กchékคอสkɔ̂ɔtก่อนgɔ̀ɔnสั่งของsàng-kɔ̌ɔngถ้าtâaเกินงบgəən-ngópจะjàตัดออกdtàt-ɔ̀ɔkบางรายbaang-raaiการgaan
We need to check the cost before ordering; if it exceeds the budget, we’ll cut some items.
เขาkǎoต่อรองdtɔ̀ɔ-rɔɔngจนjonคอสkɔ̂ɔtต่อdtɔ̀ɔหน่วยnùuaiลดลงlót-longทำให้tam-hâiคุ้มค่าkúm-kâaมากขึ้นmâak-kʉ̂n
He negotiated until the unit cost dropped, making it more worthwhile.
โปรเจกต์bproo-jèekนี้níiดูดีduu-diiแต่dtɛ̀ɛคอสkɔ̂ɔtบานปลายbaan-bplaaiหากhàakไม่mâiคุมkumตั้งdtângแต่แรกdtɛ̀ɛ-rɛ̂ɛkอาจàatกระทบgrà-tópกำไรgam-raiรวมทั้งruuam-tángปีbpii
This project looks good, but the costs are ballooning; if not controlled from the start, it could affect the year’s overall profit.
3NounB2
cos (trigonometry; informal spelling)
Colloquial or phonetic spelling for the mathematical cosine function (cos), used informally.
Examples
โจ้jôoโจ้jôo[to] eat or drink heavilyบอกให้bɔ̀ɔk-hâiบอกให้bɔ̀ɔk-hâi[to] tell [sb] to [do sth]กดgòtกดgòt1[to] press; push down2[to] click; tap (button/key)3[to] suppress; hold downคอสkɔ̂ɔtคอสkɔ̂ɔt1course (loanword; informal)2cost; price (loanword; informal)3cos (trigonometry; informal spelling)60องศาong-sǎaองศาong-sǎa1degree (temperature)2degree (angle)3degree; extent; level (fig.)ในnaiในnai1in; inside; within2during; in (time)3of; belonging to (formal)เครื่องคิดเลขkrʉ̂ʉang-kít-lêekเครื่องคิดเลขkrʉ̂ʉang-kít-lêek1calculator (device)2calculator app/softwareแล้วlɛ́ɛoแล้วlɛ́ɛo1already; now (as of this point)2then; and then; after that3already; completed-action marker4and; and then (linking clauses)จดjòtจดjòt1[to] note; jot down; write down2[to] register; record officially3[to] reach; touch; adjoinค่าkâaค่าkâa1cost; fee; charge2value; numerical value3worth; value (abstract)4polite/friendly address particleที่tîiที่tîi1place; spot; seat; space2at; in; to (a place)3classifier: places; seats; individual servings4that/which/who (relative marker)5when; the time that (time marker)6ordinal markerได้dâaiได้dâai1okay; sure; agreed2[to] get; obtain; receive3can; [to] be able to; may4[to] manage to; succeed in5actualized-action markerลงlongลงlong1[to] go down; descend2[to] get off (vehicle)3down; downstream4[to] put; apply; record5[to] decrease; go down6[to] land; alightกระดาษgrà-dàatกระดาษgrà-dàat1paper (material)2sheet of paper; piece of paper3paper; written or printed sheet
Joe said to press cos of 60 degrees on the calculator and write down the value.
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ข้อสองkɔ̂ɔ-sɔ̌ɔngให้hâiใช้cháiคอสkɔ̂ɔtกับgàpไซน์saiเปรียบเทียบbprìiap-tîiapด้านdâanของkɔ̌ɔngสามเหลี่ยมsǎam-lìiam
In question two, use cos and sin to compare the sides of the triangle.
อาจารย์aa-jaanย้ำyámว่าwâaเวลาwee-laaพิมพ์pimในnaiโปรแกรมbproo-grɛɛmให้hâiใช้ฟังก์ชันchái-fang-chânคอสkɔ̂ɔtแบบbɛ̀ɛpเรเดียนree-dîianไม่ใช่mâi-châiองศาong-sǎaมิฉะนั้นmí-chà-nánคำตอบkam-dtɔ̀ɔpจะjàเพี้ยนpíian
The instructor stressed that when typing in the program, use the cosine function in radians, not degrees, or the result will be off.
Tones
See how the spelling sets each syllable's tone, step by step.
How the tone is decided
- Consonant classLow class
- Tone markNo tone mark
- Syllable endingDead syllableLong vowelEnds in -ส, a stop, so it is dead.
Low class consonants
คฅฆงชซฌญฑฒณทธนพฟภมยรลวฬฮ
Result
Falling tone
kɔ̂ɔt
Starts high, rises a little, then drops clearly.
Low class + No tone mark + Dead syllable · Long vowel → Falling
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 | — | — |