noun knowledge; knowledge of principles and causes; ascertained truth of facts.
2. science ·noun art, skill, or expertness, regarded as the result of knowledge of laws and principles.
3. science ·vt to cause to become versed in science; to make skilled; to instruct.
4. science ·noun 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. science ·noun 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.
6. science ·noun 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.