WordNet: refresher, refresher course

a course that reviews and updates a topic for those who have not kept abreast of developments

• hypernym class, course, course of instruction, course of study

refresher

• (englanti) refresh (derivationally related)
• (suomi) jatkokoulutuskurssi (synonyymi)

refresher course

• (suomi) täydennyskoulutuskurssi (synonyymi)