1. (n.) Knowledge; knowledge of principles and causes; ascertained truth of facts.

2. (n.) Accumulated and established knowledge, which has been systematized and formulated with reference to the discovery of general truths or the operation of general laws; knowledge classified and made available in work, life, or the search for truth; comprehensive, profound, or philosophical knowledge.

3. (n.) Especially, such knowledge when it relates to the physical world and its phenomena, the nature, constitution, and forces of matter, the qualities and functions of living tissues, etc.; -- called also natural science, and physical science.

4. (n.) Any branch or department of systematized knowledge considered as a distinct field of investigation or object of study; as, the science of astronomy, of chemistry, or of mind.

5. (n.) Art, skill, or expertness, regarded as the result of knowledge of laws and principles.

6. (v. t.) To cause to become versed in science; to make skilled; to instruct.

academic discipline academic specialty applied science area arena art body of knowledge branch concern craft department of knowledge discipline domain electrobiology electrochemistry electrokinetics electromechanics electrometallurgy electrometry electronics electrooptics electrophysics electrostatics electrotechnics electrotechnology erudition expertise field field of inquiry field of study galvanism information knowledge learning lore magnetics mechanics mechanism method natural science ology proficiency province pure science realm scholarship skill social science specialty sphere study subject system technic technical know-how technical knowledge technical skill technicology technics technique technology thermionics wisdom