Definition, Meaning & Synonyms

subtend

verb
/səbˈtɛnd/
Definition
To extend beneath or to support or connect different elements, especially in a geometric or mathematical context.
Examples
  • In a triangle, the side opposite to an angle subtends that angle.
  • When you look at a mountain, the valley below subtends the height of its peak.
Meaning
In geometry, to subtend a line means that it forms an angle at a specific point, often used to describe how angles relate to their opposite sides.
Synonyms
  • extend
  • support
  • underpin
  • connect