โร
rooMeaning
1NounB2
Rho (Greek letter Ρ/ρ)
the Greek letter Rho, used in mathematics, science, and naming (uppercase Ρ, lowercase ρ)
Examples
ครูkruuครูkruu1teacher2master; mentor (respectful)3classifier: คน; ท่าน (respectful)เขียนkǐianเขียนkǐian1[to] write2[to] draw; sketch3[to] fill out; write in4[to] compose; author5[to] write (data); burn (a disc)ตัวอักษรdtuua-àk-sɔ̌ɔnตัวอักษรdtuua-àk-sɔ̌ɔn1letter; character2text character(s); letteringกรีกgrìikกรีกgrìik1Greek (of Greece)2Greek person3Greek languageโรrooโรrooRho (Greek letter Ρ/ρ)บนbonบนbon1on; upon; in; above2upper; top3[to] vow (at a shrine)กระดานgrà-daanกระดานgrà-daan1board; plank2board (blackboard/whiteboard)3game boardแล้วlɛ́ɛoแล้วlɛ́ɛo1already; now (as of this point)2then; and then; after that3already; completed-action marker4and; and then (linking clauses)อธิบายà-tí-baaiอธิบายà-tí-baai[to] explain; clarifyว่าwâaว่าwâa1[to] say; tell2that (clause marker)3[to] think; consider; deem4[to] scold; reproach; criticizeใช้cháiใช้chái1[to] use; employ2[to] spend (money); pay; expend3[to] require; take (time/effort/amount)4[to] tell [sb] to do [sth]; assign; orderแทนtɛɛnแทนtɛɛn1instead; rather2[to] replace; substitute for3in place of; on behalf ofความหนาแน่นkwaam-nǎa-nɛ̂nความหนาแน่นkwaam-nǎa-nɛ̂n1crowdedness; population/traffic density2density (physics/technical)ด้วยdûuaiด้วยdûuai1with; together with2also; too; as well3by; by means of; using4because of; due to5because; since (formal/literary)6request particle; please; tooสัญลักษณ์sǎn-yá-lákสัญลักษณ์sǎn-yá-lák1symbol; emblem2character/sign (e.g., %, @, ⌘)3icon; pictogramρ
The teacher wrote the Greek letter Rho on the board and explained that it represents density with the symbol ρ.
3 more examplesShow less
ในnaiฟิสิกส์fí-sìkเราraoมักmákใช้cháiโรrooตัวเล็กdtuua-lékρแทนtɛɛnความหนาแน่นkwaam-nǎa-nɛ̂nของkɔ̌ɔngสารsǎan
In physics, we often use lowercase rho, ρ, to denote a material’s density.
นักคณิตศาสตร์nák-ká-nít-dtà-sàatนิยามฟังก์ชันní-yaam-fang-chânด้วยdûuaiสัญลักษณ์sǎn-yá-lákโรrooρเพื่อpʉ̂ʉaบอกbɔ̀ɔkระยะทางrá-yá-taangบนbonปริภูมิเมตริกbpà-rí-puum-méet-dtrì
Mathematicians define a function with the symbol rho, ρ, to denote distance on a metric space.
ในnaiวิชาwí-chaaไฟแนนซ์fai-nɛɛnสัญลักษณ์sǎn-yá-lákโรrooρยังyangใช้cháiแทนค่าtɛɛn-kâaสหสัมพันธ์sà-hà-sǎm-panของkɔ̌ɔngผลตอบแทนpǒn-dtɔ̀ɔp-tɛɛnระหว่างrá-wàangสินทรัพย์sǐn-sápสองsɔ̌ɔngตัวdtuua
In finance, the symbol rho, ρ, is also used to represent the correlation of returns between two assets.
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 endingLive syllableA long vowel with no final consonant, so it is live.
Low class consonants
คฅฆงชซฌญฑฒณทธนพฟภมยรลวฬฮ
Result
Mid tone
roo
Level, in your normal speaking voice.
Low 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 | — | — |