C
Definition
Noun:
- The third letter of the modern Vietnamese alphabet and the Latin alphabet.
- A symbol representing the chemical element Carbon in the periodic table.
- A Roman numeral representing the number one hundred (100).
- A symbol for the unit of temperature, Celsius (or centigrade).
Abbreviation:
- A common abbreviation for various words, often standing for concepts like "Company" (Công ty) or "Class" (Lớp) in Vietnamese contexts.
Usage Examples
Noun:
- Chữ "C" là chữ cái thứ ba trong bảng chữ cái. (The letter "C" is the third letter in the alphabet.)
- Ký hiệu C là nguyên tố cacbon. (The symbol C is the element carbon.)
- Số C trong số La Mã là 100. (The numeral C in Roman numerals is 100.)
- Nhiệt độ hôm nay là 25°C. (The temperature today is 25°C.)
Abbreviation:
- C.ty TNHH ABC (ABC Co., Ltd.)
- Học sinh lớp 10C (Students of class 10C)
Advanced Usage
- In academic or scientific contexts, "C" can represent constants (e.g., the speed of light, ), specific vitamins (Vitamin C), or musical notes (Middle C).
- Cam rất giàu vitamin C. (Oranges are rich in vitamin C.)
Variants and Related Words
- Chữ C hoa: Uppercase/Capital letter C.
- Chữ c thường: Lowercase letter c.
- Độ C: Degrees Celsius.
Synonyms
- Letter: A character of the alphabet.
- Carbon: The chemical element (context-specific).
- Hundred: The number (in Roman numeral context).
- Celsius: The temperature scale.
Related Idioms
Cơ bản: While not an idiom with "C" alone, the letter begins the phrase "cơ bản" (fundamental/basic), which is extremely common.
- Kiến thức cơ bản rất quan trọng. (Basic knowledge is very important.)
Chữ C đầu lưỡi: A figurative expression suggesting something is on the tip of one's tongue, starting with the letter C.
- Tên anh ấy cứ như chữ C đầu lưỡi tôi. (His name is on the tip of my tongue.)