in-service

[ in-sur-vis, in-sur- ]
/ ɪnˈsɜr vɪs, ˈɪnˌsɜr- /

adjective

taking place while one is employed: an in-service training program.

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Origin of in-service

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for in-service

in-service

adjective

denoting training that is given to employees during the course of employmentan in-service course
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012