The term 'Abiosis' is a 7-letter crossword solution for the term 'Absence of Life'. Abiosis is a scientific term used to describe the absence of life in an environment. It is the opposite of biotic, which is the presence of living organisms. Abiosis can refer to a lack of living organisms in a given area, or it can refer to the absence of any type of life, including plants and animals. Abiosis is often used to describe lifeless environments such as deserts, caves, and the deep sea.