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Units of mass. The kilogram is one of the seven SI base units. The International System of Units (SI) unit of mass is the kilogram (kg). The kilogram is 1000 grams (g), and was first defined in 1795 as the mass of one cubic decimetre of water at the melting point of ice.
May 3, 2024 · Learn about mass, a fundamental property of matter that measures its resistance to change. Find out how mass is related to weight, energy, and conservation of mass-energy.
- The Editors of Encyclopaedia Britannica
Learn the various meanings and uses of the word mass, from a religious service to a quantity of matter. See synonyms, examples, etymology, and related phrases of mass.
noun. a body of coherent matter, usually of indefinite shape and often of considerable size: a mass of dough. Medicine/Medical, Pathology. an abnormal lump in the body, often in the form of a cyst or tumor: The mass they removed was alarmingly large, but the great news is that it was benign.
Jan 10, 2024 · Mass is the amount of matter in an object and a measure of its inertia. Learn how mass differs from weight, how to measure mass, and how mass relates to physics laws and phenomena.
Learn what is mass, how to calculate it, and its unit of measurement. Find out the difference between mass and weight, and see examples and practice questions on mass.