Question: What is a fat that is usually solid at room temperature?

Answer: The fat that is solid at room temperature is Saturated fat.
There are three main categories of fat: Saturated, monounsaturated, and polyunsaturated. It is beneficial to eat fats that are liquid at room temperature such as olive oil.

Examples of solid fats include: butter, lard, margarine, tallow, coconut oil, palm oil, shortening, partially hydrogenated vegetable oil, and fully hydrogenated vegetable oil.