Definition of in-service adjective from the Oxford Advanced Learner's Dictionary

 

in-service

 adjective
adjective
BrE
 
; NAmE
 
[only before noun]
 
jump to other results
(of training, courses of study, etc.) done while somebody is working in a job, in order to learn new skills in-service training our in-service professional development programme
See the Oxford Advanced American Dictionary entry: in-service