the branch of optics concerned with the wave properties of light, the superposition of waves, the deviation of light from its rectilinear propagation in a manner other than that considered by geometrical optics, the interaction of light with matter, and the quantum, corpuscular aspects of light.
noun, Physics. 1. any apparatus consisting of a body of possibly irregular shape allowed to rotate freely about a horizontal axis on which it is pivoted (distinguished from ).
[fiz-i-kuh l] /ˈfɪz ɪ kəl/ adjective 1. of or relating to the body: physical exercise. 2. of or relating to that which is material: the physical universe; the physical sciences. 3. noting or pertaining to the properties of matter and energy other than those peculiar to living matter. 4. pertaining to the physical sciences, especially […]
noun 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. noun 1. any of the sciences concerned with nonliving matter, energy, and the physical properties of the universe, such as physics, chemistry, astronomy, and geology Compare life science physical science Any of […]
- Physical sequential
file format (PS, QSAM, Queued Sequential Access Method) The simplest data set on an IBM mainframe. Sequential files can only be read or written from the beginning: they do not support random access. [Why “Queued”?] (2003-12-05)