"Snowflake" is the Engpsh word for a snowflake. To write it, you can simply spell it out: "snowflake." It is a noun that refers to a single, unique crystal of snow. Snowflakes are formed when water vapor condenses and freezes in the atmosphere, and they can take on a wide variety of shapes and sizes. They are an important part of many winter landscapes, and are often associated with cold and snowy weather.