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Definition

noun, plural: sciences

(1) The methodological study of a phenomenon through careful observation, collecting data, experimental investigation, or theoretical explanation.

(2) A systematized body of knowledge in the form of hypotheses, theories, principles, models or laws that have been conclusively drawn from observed or verifiable facts or from experimental findings gained basically from the application of the scientific method.

Supplement

A particular branch of either the process of study or the body of knowledge, such as astronomy, biology, chemistry, geology, and physics.

Word origin: From Old French science, from Latin scientia (“‘knowledge’”), from the present participle stem of scire (“‘know’”).

Derived terms: scientific, scientist, scientifically.
Related terms: pseudoscience, protoscience, National science foundation, pure science, hard science, zoological science, Environmental Science, Biological Science, life science, Christian science.