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  1. Matter | Definition, Physics, Characteristics, States ...

    Dec 3, 2025 · matter, material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena. At the most fundamental level, matter …

  2. Matter - Wikipedia

    Matter is a general term describing any physical substance, which is sometimes defined in incompatible ways in different fields of science. Some definitions are based on historical usage …

  3. MATTER Definition & Meaning - Merriam-Webster

    The meaning of MATTER is a subject under consideration. How to use matter in a sentence.

  4. What Is Matter? Definition and Examples - Science Notes and ...

    Jul 14, 2020 · Get the definition of matter in science and see examples of different forms of matter. Contrast matter with dark matter.

  5. MATTER Definition & Meaning | Dictionary.com

    MATTER definition: the substance or substances of which any physical object consists or is composed. See examples of matter used in a sentence.

  6. Matter - National Geographic Society

    Oct 19, 2023 · Matter is any substance that has mass and takes up space. Earth, and everything on it, is made of matter, and so are all the stars and planets in the universe.

  7. What is Matter: Definition, Classification - Scienly

    Nov 15, 2025 · Definition of Matter: Anything that has mass and occupies space (i.e. volume) is called matter. It is the things our universe is composed of and all objects in the universe follow …