refresher
n. B2 Upper Intermediate US //ɹɪˈfɹɛʃɝ// UK //ɹɪfɹˈɛʃɐ// re·fresh·er
n. a short course or activity that helps you remember or improve your knowledge of a subject. You take one when you have forgotten some details or want to stay updated.
n. a short course or session designed to update or reinforce existing knowledge and skills. Often used in professional or educational contexts to bridge gaps in expertise.
I need a quick refresher on the new tax laws.
The company offers a mandatory refresher course for all employees before the start of the fiscal year.
After a decade of working in a different sector, she enrolled in a legal refresher to ensure her practice remained compliant with the latest international standards.
From refresh + -er.