In ordinary usage, a price is the quantity of payment or compensation given by one party to another in return for one unit of goods or services. In modern economies, prices are generally expressed in units of some form of currency. The Price Engineer's HVAC Handbook is a comprehensive guide to HVAC fundamentals, representing the accumulated knowledge and experience of hundreds . Definition of price for English Language Learners. : the amount of money that you pay for something or that something costs. : the thing that is lost, damaged, or given up in order to get or do something. : the amount of money needed to persuade someone to do something. Find best prices, low-cost used and generic alternatives, earn cash back at over 2000 stores when you shop at Price.com! Save even more with deals and . Noun. price (plural prices) The cost required to gain possession of something. The cost of an action or deed. Amazon EC2 Spot instances allow you to request spare Amazon EC2 computing capacity for up to 90% off the On-Demand price. Learn More. Spot instances . The Price-to-Earnings Ratio or P/E ratio is a ratio for valuing a company that measures its current share price relative to its per-share earnings. It should surprise no one that among the players implicated in this scheme to fix the prices of interest-rate swaps are the same megabanks . If you own any Bitcoin, you're probably in the habit of watching its price fluctuate wildly. What you aren't doing is using your Bitcoin to buy things .