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  1. 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.

  2. SOLID Definition & Meaning - Merriam-Webster

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

  3. Solid | Definition & Facts | Britannica

    Apr 16, 2026 · 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 …

  4. 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.

  5. SOLID | English meaning - Cambridge Dictionary

    SOLID definition: 1. hard or firm, keeping a clear shape: 2. completely hard or firm all through an object, or…. Learn more.

  6. 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.

  7. Solid - definition of solid by The Free Dictionary

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

  8. solid - definition and meaning - Wordnik

    "Completely filled up; compact; without cavities, pores, or interstices; not hollow: as, a solid ball, as distinguished from a hollow one; solid soda-water, not frothy."

  9. Solid Definition & Meaning - YourDictionary

    Solid definition: Of definite shape and volume; not liquid or gaseous.

  10. Solid - New World Encyclopedia

    A solid object is characterized by resistance to deformation and change of volume. The branch of physics that deals with solids is called solid-state physics, and it is a type of condensed matter physics.