Step-by-step explanation:
1) apothecary - one preparing and selling medications; in the eighteenth century, he also practiced medicine
2) appeal - to arouse a sympathetic response
3) trickery - artifice
4) auditory - experienced by hearing
5) callousness - hardness; lack of emotion
6) conventions - rules or practices of conduct or behavior
7) flat mouthpiece - a character illustrating a single idea or quality; never surprises the reader with variety
8) fluid - having a smooth, easy style
9) pedant - one who parades his learning
10) rector - a clergyman in charge of a parish