เลข
number
A native Thai recording for this word is on the way. Please check back soon.
- 1 number、numeral、identifying number
- 2 arithmetic、math、calculation
This word refers to numbers, numerals, and identifying numbers. In everyday speech, it can also mean arithmetic, math, or calculation.
number、numeral、identifying number
A number or numeral, including a sequence of digits used to identify something, such as a phone number or account number.
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ฉันชอบเลข 7 chǎn chɔ̂ɔp lêek cèt I like the number 7. ฉันชอบเลข 7 details
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ขอเลขบัญชีหน่อย khɔ̌ɔ lêek banchii nɔ̀ɔy Can I have your account number? ขอเลขบัญชีหน่อย details
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บ้านเลขที่ 25 bâan lêek thîi yîisìp hâa the house numbered 25 บ้านเลขที่ 25 details
arithmetic、math、calculation
In everyday speech, it refers to the school subject of arithmetic or mathematics, as well as working out calculations.
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ฉันไม่เก่งเลข chǎn mây kèŋ lêek I'm not good at math. ฉันไม่เก่งเลข details
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ลูกชอบเรียนเลข lûuk chɔ̂ɔp rian lêek My child likes studying math. ลูกชอบเรียนเลข details
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ช่วยคิดเลขให้หน่อย chûay khít lêek hây nɔ̀ɔy Could you work this out for me? ช่วยคิดเลขให้หน่อย details
Learning notes
Explanation
The central idea of เลข is something represented with numerals. In เลข 7, it means “the number 7”; in เลขโทรศัพท์, it is the identifying number in a phone number. When the context makes the type of number clear, เลข alone can simply mean “the number.” In lottery conversations, it may refer to a chosen or winning number, but this is a contextual use of the general “number” sense rather than a separate core meaning. In everyday expressions such as เรียนเลข “study math,” เก่งเลข “be good at math,” and คิดเลข “calculate,” it also refers to arithmetic, mathematics, or calculation.
Usage
It is frequently used when asking for or giving phone numbers, account numbers, room numbers, and address numbers. It is also common when discussing favorite or lucky numbers and lottery numbers. At home and at school, it is used to talk informally about studying math, being good or bad at it, and doing calculations.
Caution
By itself, เลข does not always distinguish an abstract number, a written numeral, and an identifying number; the context supplies that distinction. หมายเลข may be preferable for a formal identifying number, while จำนวน is used when quantity is the focus. เลข meaning “math” is conversational. Use คณิตศาสตร์ for the formal name of the subject or academic field.
Differences from similar words
1 number synonyms
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จำนวน focuses on quantity—how much or how many—and can denote a number in the abstract mathematical sense. เลข more often focuses on the numeral or number used to represent or identify something.
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ตัวเลข emphasizes a written digit or a specific numerical figure. เลข is broader and can refer to either a numeral or an identifying number.
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หมายเลข specifically means an assigned identifying number and is common in more formal contexts. เลข is more conversational and can also refer to a numeral itself.
2 arithmetic synonyms
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คณิตศาสตร์ is the formal name for mathematics and is used in official subject names and writing. เลข is conversational and commonly refers to school math, arithmetic, or calculation.