a controller (an electronic or mechanical device to control a device or system) / (sciences) an experimental control; a member of a control group

to control (something), manage

silver-grey hair on an older man

euro (currency unit of the European Monetary Union)

(mathematics) topology (study of geometric properties that are not changed by stretching etc.)

a download

to download

(biochemistry) sucrose

A transliteration of the English female given name Charlotte

drinking straw