English

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

 

lactate

 verb
verb
BrE BrE//lækˈteɪt//
 
; NAmE NAmE//lækˈteɪt//
 
[intransitive] (specialist)Verb Forms present simple I / you / we / they lactate
BrE BrE//lækˈteɪt//
 
; NAmE NAmE//lækˈteɪt//
 
he / she / it lactates
BrE BrE//lækˈteɪts//
 
; NAmE NAmE//lækˈteɪts//
 
past simple lactated
BrE BrE//lækˈteɪtɪd//
 
; NAmE NAmE//lækˈteɪtɪd//
 
past participle lactated
BrE BrE//lækˈteɪtɪd//
 
; NAmE NAmE//lækˈteɪtɪd//
 
-ing form lactating
BrE BrE//lækˈteɪtɪŋ//
 
; NAmE NAmE//lækˈteɪtɪŋ//
 
 
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(of a woman or female animal) to produce milk from the breasts to feed a baby or young animal Word Origin late 19th cent.: back-formation from lactation, from Latin lactatio(n-), from lactare ‘suckle’, from lac, lact- ‘milk’.
See the Oxford Advanced American Dictionary entry: lactate