Definition of subtend
- a hypotenuse subtends a right angle
- a central angle subtended by an arc
- the angle subtended at the eye by an object of given width and a fixed distance away
- a chord subtends an arc
- a bract that subtends a flower
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'subtend.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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investment of mental or emotional energy
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