The crossword solution for the term 'It's Very Cool' is ICE, which is a three letter word. ICE is a naturally occurring solid form of water that is found in glaciers, snow, and hail. It has a wide range of uses, from cooling drinks to providing a surface for skating. ICE is also used in many industrial processes, such as refrigeration and air conditioning. In addition, it is an important part of the global climate system, as it reflects sunlight and helps regulate temperatures.