Water

Definition

Water is a transparent fluid which forms the world's streams, lakes, oceans and rain. It's vital for all known forms of life because it participates in many biological processes including digestion and temperature regulation.

Related terms

Hydrolysis: A chemical reaction in which water is used to break down a compound.

Transpiration: The process where plants absorb water through the roots and then give off water vapor through pores in their leaves.

Homeostasis: The tendency of an organism or cell to regulate its internal conditions to maintain health and functioning.