The other active ingredient in Darvocet is acetaminophen (commonly known as APAP). It is a pain reliever and fever reducer commonly found in non-prescription medications such as Tylenol. Adding acetaminophen to propoxyphene increases the effectiveness for relieving pain and also provides fever-reducing properties.
1 Skill or expertise in a particular activity or field: his prowess as a fisherman her culinary prowess. More example sentences. Synonyms. 1  And his fame has nothing whatsoever to do with his prowess on the football field or in the political arena.
Proficiency is described as a mastery or skill with a tool. The following is a list of areas that need to be mastered in order to claim proficiency status. Know the Language. The first core element needed to be proficient in Microsoft Excel is knowledge of the language. Every industry or occupation contains its own jargon. Such a terminology is specific to that field and is usually unknown by members outside of that field.