English

Definition of subtend verb from the Oxford Advanced Learner's Dictionary

 

subtend

 verb
verb
BrE BrE//səbˈtend//
 
; NAmE NAmE//səbˈtend//
 
Verb Forms present simple I / you / we / they subtend
BrE BrE//səbˈtend//
 
; NAmE NAmE//səbˈtend//
 
he / she / it subtends
BrE BrE//səbˈtendz//
 
; NAmE NAmE//səbˈtendz//
 
past simple subtended
BrE BrE//səbˈtendɪd//
 
; NAmE NAmE//səbˈtendɪd//
 
past participle subtended
BrE BrE//səbˈtendɪd//
 
; NAmE NAmE//səbˈtendɪd//
 
-ing form subtending
BrE BrE//səbˈtendɪŋ//
 
; NAmE NAmE//səbˈtendɪŋ//
 
 
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subtend something (geometry) (of a line or chord) to be opposite to an arc or angle Word Origin late 16th cent. : from Latin subtendere, from sub- ‘under’ + tendere ‘stretch’.
See the Oxford Advanced American Dictionary entry: subtend