Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: vertex, vortex 'turning movement, whirlpool, top of the head, top', from vertere; VERSE

vertex

noun
     
Related topics: Maths
ver‧tex plural vertices or vertexes [countable] technical
HM the point where two lines meet to form an angle, especially the point of a triangle

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary