<p><strong>Noun</strong></p><ul><li>a branch of knowledge or study dealing with a body of facts or truths systematically arranged and showing the operation of general laws: the mathematical sciences.</li><li>systematic knowledge of the physical or material world gained through observation and experimentation.</li><li>any of the branches of natural or physical science.</li><li>systematized knowledge in general.</li><li>knowledge, as of facts or principles; knowledge gained by systematic study.</li><li>a particular branch of knowledge.</li><li>skill, especially reflecting a precise application of facts or principles; proficiency.</li><li>Synonyms: discipline, method, technique, art.</li></ul>