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in-service

[in-sur-vis, in-sur-]
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adjective
  1. 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. 2018

British Dictionary definitions for inservice

in-service

adjective
  1. denoting training that is given to employees during the course of employmentan in-service course
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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

Word Origin and History for inservice

adj.

also in-service, 1928, from in + service.

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Online Etymology Dictionary, © 2010 Douglas Harper