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  1. Solid | Definition & Facts | Britannica

    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 a relatively …

  2. SOLID Definition & Meaning - Merriam-Webster

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

  3. 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 …

  4. SOLID | definition in the Cambridge Learner’s Dictionary

    SOLID meaning: 1. hard and firm without holes or spaces, and not liquid or gas: 2. strong and not easily broken…. Learn more.

  5. 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.

  6. 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 …

  7. 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.

  8. Solid - definition of solid by The Free Dictionary

    Without a break or opening; completely or continuously: The theater was booked solid for a month.

  9. Solid - Simple English Wikipedia, the free encyclopedia

    The forces between the atoms in a solid can take many forms. For example, a crystal of sodium chloride (common salt) is made up of ionic sodium and chlorine, which are held together by …

  10. solid - WordReference.com Dictionary of English

    having the interior completely filled up: a piece of solid rock. Mathematics having the three dimensions of length, breadth, and thickness: A cube is a solid figure. (of the parts that …