vertices
The plural of "vertex" is vertices.
vertex comes from Latin, and like many Latin nouns ending in -ex or -ix it changes the ending to -ices.
Meaning: a point where two or more lines meet (noun)
How does it change in a sentence?
Use a plural verb with vertices: the vertices are. The possessive plural adds only an apostrophe: vertices'.
How do you pronounce it?
vertex is pronounced /ˈvɜː.tɛks/.
What mistakes should you avoid?
Both vertices, said VUR-tih-seez, and vertexes are correct. vertices is usual in math.
Did you know?
- Over time, borrowed words often take a regular English plural too: forums and stadiums are now more common than fora and stadia.
Examples in context
- A triangle has three vertices.Singular: A triangle has one vertex at the top.
- The vertices are marked in red.Singular: The vertex is marked in red.