(of an angle) have (a specified size) as its measure, extend or stretch underneath or opposite something

subtend an arc, subtend a line, subtend an area

Formal and Informal Expressions of subtend

In different contexts, you can replace 'subtend' with suitable alternatives. In a more formal setting, 'span, extend' is apt. In informal speech or writing, 'stretch' is a commonplace synonym.

subtend: Explore its Definition & Usage

subtend Definition

1(of an angle) have (a specified size) as its measure
2extend or stretch underneath or opposite something

Using subtend: Examples

Take a moment to familiarize yourself with how "subtend" can be used in various situations through the following examples!

Example
The angle subtends 90 degrees at the center of the circle.
Example
The bridge subtends the river.
Example
The tree subtends the view of the mountain.

subtend Synonyms and Antonyms

Synonyms for subtend

Phrases with subtend

subtend an arc
to form an angle at the center of a circle that is equal to the angle formed by the two radii that intersect the arc
Example
The arc subtends an angle of 60 degrees.
subtend a line
to extend or stretch underneath or opposite a line
Example
The line AB subtends the angle θ.
subtend an area
to extend or stretch underneath or opposite an area
Example
The rectangle subtends an area of 20 square units.

Origins of subtend

from Latin 'subtendere', meaning 'to extend underneath'

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Summary: subtend in Brief

The verb 'subtend' [səbˈtɛnd] refers to the measurement of an angle, with examples like 'The angle subtends 90 degrees at the center of the circle.' It also means to extend or stretch underneath or opposite something, as in 'The bridge subtends the river.' 'Subtend' extends into phrases like 'subtend an arc,' 'subtend a line,' and 'subtend an area,' which denote the extension of an angle, line, or area.