grát
Definition
- Noun (Mathematics):
- A gradian (or gon): A unit of angular measurement, where a full circle is divided into 400 gradians. One gradian equals one-hundredth (1/100) of a right angle (90 degrees).
Usage Examples
- Noun:
- Góc này có số đo là 100 grát. (This angle measures 100 gradians.)
- Một góc vuông bằng 100 grát. (A right angle equals 100 gradians.)
Advanced Usage
- The gradian system is primarily used in some fields of surveying, civil engineering, and artillery. It is less common in general mathematics and science than degrees or radians.
- Trong trắc địa, người ta đôi khi sử dụng đơn vị grát. (In surveying, people sometimes use the unit gradian.)
Variants and Related Words
- Gradian (n): The English term for "grát".
- Gon (n): An alternative name for the gradian unit.
- Độ (n): Degree, a more common unit for measuring angles (a circle has 360 degrees).
- Radian (n): Radian, the SI unit for measuring angles (a circle has 2π radians).
Synonyms
- Gradian: The standard English equivalent.
- Gon: An alternative term for gradian.
Notes on Usage
- "Grát" is a specialized, technical term. In modern contexts, the international terms "gradian" or "gon" are more widely recognized.
- It is important to distinguish this term from the more common word "gratis" (meaning free of charge), which is unrelated.