The term DOSE UNIT can be solved in a crossword puzzle with the answer PILL, which is a four-letter word. A PILL is a small, usually round, solid pharmaceutical preparation that is intended for oral administration. It is typically made up of a combination of active and inactive ingredients and is used to treat a variety of medical conditions. Pills are one of the most common forms of dose units, as they are easy to take and can be taken in different doses depending on the condition being treated.