science, scientific discipline - a particular branch of scientific knowledge; "the science of genetics"

bioscience, life science - any of the branches of natural science dealing with the structure and behavior of living organisms

chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

natural philosophy, physical science, physics - the science of matter and energy and their interactions

earth science - any of the sciences that deal with the earth or its parts

cosmography - the science that maps the general features of the universe; describes both heaven and earth (but without encroaching on geography or astronomy)