Complex sentence: The modern pharmacist (also colloquially referred to as a chemist in British English) has taken over this role and in some languages and regions the word is still used to refer to a retail pharmacy or a pharmacist who owns one.
Split into simpler sentences: The modern pharmacist (also colloquially referred to as a chemist in British English) has taken over this role. In some languages and regions, the word "apothecary" is still used to refer to a retail pharmacy or a pharmacist who owns one.