Definition of ADJUNCT

a person who helps a more skilled person <serving as an adjunct to the congressional delegation on its fact-finding mission>
something that is not necessary in itself but adds to the convenience or performance of the main piece of equipment <you can spend a lot on camera accessories, but this nifty little battery recharger is the one adjunct that will pay for itself>
Synonyms accoutrement (or accouterment), adapter (also adaptor), add-on, adjunct, appendage, appliance, attachment, option

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