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

 

invert

 verb
verb
BrE BrE//ɪnˈvɜːt//
 
; NAmE NAmE//ɪnˈvɜːrt//
 
Verb Forms present simple I / you / we / they invert
BrE BrE//ɪnˈvɜːt//
 
; NAmE NAmE//ɪnˈvɜːrt//
 
he / she / it inverts
BrE BrE//ɪnˈvɜːts//
 
; NAmE NAmE//ɪnˈvɜːrts//
 
past simple inverted
BrE BrE//ɪnˈvɜːtɪd//
 
; NAmE NAmE//ɪnˈvɜːrtɪd//
 
past participle inverted
BrE BrE//ɪnˈvɜːtɪd//
 
; NAmE NAmE//ɪnˈvɜːrtɪd//
 
-ing form inverting
BrE BrE//ɪnˈvɜːtɪŋ//
 
; NAmE NAmE//ɪnˈvɜːrtɪŋ//
 
 
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invert something (formal) to change the normal position of something, especially by turning it upside down or by arranging it in the opposite order Place a plate over the cake tin and invert it. In questions, the subject and verb are often inverted. The shape looked like an inverted V. Word Origin mid 16th cent. (in the sense ‘turn back to front’): from Latin invertere, literally ‘turn inside out’, from in- ‘into’ + vertere ‘to turn’.
See the Oxford Advanced American Dictionary entry: invert