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  1. Dictionary
    Mat·ter
    /ˈmadər/

    noun

    verb

    • 1. be of importance; have significance: "it doesn't matter what the guests wear" Similar importanceconsequencesignificancenote
    • 2. (of a wound) secrete or discharge pus. rare US
  2. en.wikipedia.org › wiki › MatterMatter - Wikipedia

    A definition of "matter" based on its physical and chemical structure is: matter is made up of atoms. Such atomic matter is also sometimes termed ordinary matter . As an example, deoxyribonucleic acid molecules (DNA) are matter under this definition because they are made of atoms.

  3. Jul 14, 2020 · In science, matter is defined as any substance that has mass and takes up space. Basically, it’s anything that can be touched. Yet, there are also phenomena that are not matter, such as light, sounds, and other forms of energy. A space devoid of all matter is called a vacuum. Examples of Matter.

  4. matter noun (SUBSTANCE) [ U ] physical substance in the universe: Some scientists believe that there is about ten times as much matter in the universe as astronomers have observed. [ U ] a substance of a particular kind: Most vegetable matter is compostable. There's no waste matter left over.

  5. MATTER definition: 1. a situation or subject that is being dealt with or considered: 2. the situation being dealt…. Learn more.

  6. Sep 25, 2023 · What is matter? When we think of “matter,” we might picture the objects we see or their basic building block: the atom. Our conception of the atom has evolved over years. Thinkers...

  7. Definitions of matter. noun. that which has mass and occupies space. “physicists study both the nature of matter and the forces which govern it” see more. noun. some situation or event that is thought about. “it is a matter for the police” synonyms: issue, subject, topic. see more. noun. a vaguely specified concern. “several matters to attend to”

  8. 4 days ago · A matter is a task, situation, or event which you have to deal with or think about, especially one that involves problems . It was clear that she wanted to discuss some private matter. Until the matter is resolved, the athletes will be ineligible to compete. Don't you think this is now a matter for the police? [ + for]

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