👉 Coalesce is a term used in computer science, specifically related to the concept of how two or more pieces of data are combined into one. It is often used to describe the process by which two or more variables are "coalesced" together, meaning they become part of a single object or value. The term comes from the Greek roots "coalesce" (to combine) and "sine" (the Latin word for "two") - in this context, it refers to how two