The branch of knowledge that deals with the principles governing the material universe and perception of physical phenomena; natural science…

The study of natural bodies and the phenomena connected with them; natural science; (in later use) spec. physical science, physics.

The branch of knowledge that deals with the natural or physical world; a life science or physical science, such as biology, chemistry, physics, or…

experimental philosophy: (a) the philosophy which insists on experiment as the necessary foundation and test of all reasoned conclusions; (b) physics…

spec. The intellectual and practical activity encompassing those branches of study that relate to the phenomena of the physical universe and their…

plural. University and Public School slang for Natural Science (originally and now chiefly for Chemistry) as a subject of study or university…