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  1. Solid | Definition & Facts | Britannica

    Nov 7, 2025 · Solid, one of the three basic states of matter, the others being liquid and gas. A solid forms from liquid or gas because the energy of atoms decreases when the atoms take up …

  2. What Is a Solid? Definition and Examples in Science

    Oct 19, 2020 · Because its particles are packed close together, a solid is rigid, doesn’t flow, and isn’t easily compressed. A solid is defined as a state of matter with a definite shape and volume.

  3. Solid: Definition, Properties, Types, and Examples

    A solid is one of the fundamental states of matter, along with liquid and gas. It comprises particles such as atoms, ions, or molecules, packed closely together and held in fixed positions by …

  4. Solid - Wikipedia

    Solid-state physics is the study of rigid matter, or solids, through methods such as solid-state chemistry, quantum mechanics, crystallography, electromagnetism, and metallurgy.

  5. Solid - Wikiwand

    Solid is a state of matter in which atoms are closely packed and are difficult to move past each other. Solids resist compression, expansion, or external forces...

  6. SOLID Definition & Meaning - Merriam-Webster

    The meaning of SOLID is being without an internal cavity. How to use solid in a sentence.

  7. SOLID definition in American English | Collins English Dictionary

    A solid is a substance that stays the same shape whether it is in a container or not. Solids turn to liquids at certain temperatures.

  8. Solid - Definition, Meaning & Synonyms | Vocabulary.com

    A solid, as opposed to a liquid or gas, has a size and shape to it. It doesn't flow like water or disappear into the air.

  9. Solids | Introductory Chemistry - Lumen Learning

    A solid is like a liquid in that particles are in contact with each other. Solids are unlike liquids in that the intermolecular forces are strong enough to hold the particles in place.

  10. SOLID Definition & Meaning | Dictionary.com

    Unlike a gas or liquid, a solid has a fixed shape, and unlike a gas, a solid has a fixed volume. In most solids (with exceptions such as glass), the molecules are arranged in crystal lattices of …