A knowledgeable professor in finance would define the term "ask price" as the lowest price at which a dealer is willing to sell a commodity. This is an important concept to understand in the world of finance, as it directly affects the buying and selling of goods in the market. Simply put, the ask price is the minimum amount that a seller is willing to accept for their product. It is essential for individuals in the finance industry to have a clear understanding of this term in order to make informed decisions when it comes to buying and selling in the market.