Natural science. Cf. physics, n. 1a. Obsolete.

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…

Natural science in general; esp. the Aristotelian system of natural science. Also: a treatise on natural science. Now historical.

(a) = natural philosophy, n.; (b) Philosophy = Naturphilosophie, n.; cf. physiophilosophy, n.

Natural philosophy, natural science. Also: a particular system or doctrine of natural science. Obsolete.

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

The scientific study of inanimate nature.

The science of the material world; natural science, physical science; (also) a science of this kind.