vertex
/'və:teks/
Học thuậtThân thiện
Definition
- Noun:
- The highest point or top of something: "vertex" refers to the peak or summit of an object, especially a geometric shape or a physical structure.
- The point of intersection of lines: In geometry, "vertex" is the point where two or more lines, edges, or curves meet.
- The point opposite the base of a figure: In shapes like triangles and pyramids, the "vertex" is the corner opposite the base.
Examples of Usage
- Noun:
- The vertex of the mountain was covered in snow. (The highest point of the mountain was covered in snow.)
- In a triangle, each corner is called a vertex. (In a triangle, each corner is called a vertex.)
- The vertex of the angle is clearly marked on the diagram. (The point where the two lines of the angle meet is clearly marked on the diagram.)
Advanced Usage
- "Vertex of a parabola": In mathematics, the turning point or maximum/minimum point of a parabolic curve.
- The vertex of the parabola y = x² is at the point (0,0). (The turning point of the parabola y = x² is at the point (0,0).)
- "Vertex in graph theory": A fundamental unit (a node or point) in a graph or network.
- Each person in the social network is represented as a vertex. (Each person in the social network is represented as a node.)
Variants and Related Words
- Vertices (n, plural): The plural form of "vertex".
- A cube has eight vertices. (A cube has eight corners.)
- Vertexes (n, plural): An alternative, less common plural form of "vertex".
- The polygon has five vertexes. (The polygon has five corners.)
Synonyms
- Apex: The top or highest part of something, especially one forming a point.
- Peak: The pointed top of a mountain or the highest point.
- Summit: The highest point of a hill or mountain.
- Pinnacle: The most successful point; the culmination or a high, pointed piece of rock.
Related Phrases
- "Vertex angle": The angle associated with the vertex of a polygon, especially in an isosceles triangle.
- The vertex angle is the angle opposite the base of the triangle. (The angle opposite the base of the triangle is the vertex angle.)
- "Vertex form": A specific way of writing the equation of a parabola.
- The quadratic equation is written in vertex form. (The quadratic equation is written in a form that highlights its turning point.)
Related Idioms
(Note: "Vertex" is a technical term and is not commonly used in idiomatic expressions. Its usage is primarily in academic, scientific, and geometric contexts.)
Noun
- the highest point (of something)
- at the peak of the pyramid
- the point of intersection of lines or the point opposite the base of a figure