pa-ra-bon
Definition
- Noun (Mathematics):
- A parabola is a specific type of symmetrical, open plane curve. It is defined as the set of all points that are equidistant from a fixed point (called the focus) and a fixed straight line (called the directrix).
Usage Examples
- Noun:
- Đường pa-ra-bon là một đường cong quan trọng trong hình học. (The parabola is an important curve in geometry.)
- Quỹ đạo của quả bóng được ném đi gần giống một pa-ra-bon. (The trajectory of a thrown ball closely resembles a parabola.)
- Chúng tôi học cách vẽ một pa-ra-bon từ phương trình của nó. (We learned how to graph a parabola from its equation.)
Advanced Usage
- "Parabolic" (adjective): Describing something that has the shape or properties of a parabola.
- Ăng-ten có hình dạng pa-ra-bon. (The antenna has a parabolic shape.)
Variants and Related Words
- Paraboloid (danh từ): A three-dimensional surface generated by rotating a parabola around its axis.
- Gương trong kính thiên văn thường có dạng một pa-ra-bô-lôít. (The mirror in a telescope is often a paraboloid.)
Synonyms
- Conic section: A curve obtained as the intersection of the surface of a cone with a plane. A parabola is one type of conic section.
Related Concepts
- Focus (tiêu điểm): The fixed point used in the definition of a parabola.
- Directrix (đường chuẩn): The fixed line used in the definition of a parabola.
- Axis of symmetry (trục đối xứng): The line that divides a parabola into two mirror-image halves.
- Vertex (đỉnh): The point where a parabola makes its sharpest turn, located halfway between the focus and the directrix.