M
Definition
Noun:
- The thirteenth letter of the modern English alphabet and the Latin script.
- The Roman numeral representing one thousand (1,000).
- Abbreviation for "Mega-": A prefix in the metric system denoting a factor of one million (1,000,000).
Symbol:
- Metre (or Meter): The standard unit of length in the International System of Units (SI). Abbreviated as 'm'.
- Molarity: In chemistry, a symbol for molar concentration (moles per litre).
Usage Examples
- Noun (Letter):
- Từ "mother" bắt đầu bằng chữ M. (The word "mother" begins with the letter M.)
- Noun (Numeral):
- Số năm 2025 trong số La Mã là MMXXV. (The year 2025 in Roman numerals is MMXXV.)
- Symbol (Unit):
- Cây cầu này dài 500 m. (This bridge is 500 m long.)
Advanced Usage
"M" in Digital Contexts:
- Often used as an abbreviation for "Medium" (e.g., clothing size) or "Mature" (e.g., age rating for video games).
- Anh ấy mặc áo cỡ M. (He wears a size M shirt.)
"M" in Finance:
- Can represent "Millions" in financial contexts.
- Công ty có doanh thu 50M USD. (The company has revenue of 50M USD.)
Variants and Related Words
- m (lowercase): The lowercase form of the letter; also the standard abbreviation for the unit 'metre'.
- MM: A Roman numeral for two thousand (2,000); in finance, sometimes used to denote "millions" (e.g., $5MM = $5 million).
Synonyms
- Thousand (for the Roman numeral M).
- Mega (for the prefix).
- Metre (for the unit symbol).
Related Idioms and Phrases
- From A to Z: Covering everything completely. (The letter M is part of this sequence).
- Cô ấy biết mọi thứ về chủ đề này, từ A đến Z. (She knows everything about this topic, from A to Z.)
- The M-word: A humorous or euphemistic way to refer to a word considered embarrassing or taboo that starts with M (e.g., "marriage" or "money" in certain contexts).
- Đừng nhắc đến "the M-word" (money) trước mặt anh ta. (Don't mention the M-word (money) in front of him.)