giác kế
Definition
- Noun:
- Goniometer: A scientific instrument used for measuring angles, particularly in the fields of crystallography, optics, and surveying. It is used to determine the angles between the faces of crystals or the precise angles of light refraction.
Usage Examples
- Noun:
- Các nhà khoa học sử dụng giác kế để đo góc tinh thể. (Scientists use a goniometer to measure crystal angles.)
- Giác kế là dụng cụ quan trọng trong phòng thí nghiệm quang học. (The goniometer is an important tool in the optics laboratory.)
Advanced Usage
- In specialized contexts, a "giác kế" can refer to specific types of angle-measuring devices, such as a reflection goniometer for crystallography or an optical goniometer for measuring the directional distribution of light.
Variants and Related Words
- Máy đo góc (n): Angle measuring device. A more general term for any instrument that measures angles.
- Thước đo góc (n): Protractor. A simpler, often manual, tool for measuring or drawing angles.
Synonyms
- Angle measurer
- Angulometer (less common)
Notes
- "Giác kế" is a technical, scientific term. It is not commonly used in everyday conversation but is standard terminology in academic and professional scientific contexts.