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  1. SOLID Definition & Meaning - Merriam-Webster

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

  2. 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.

  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 volume.

  4. 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 …

  5. SOLID | definition in the Cambridge English Dictionary

    To become solid science, it's got a lot of growing up to do. They understood the difference between their needs and their wants and as long as we were a family, we were solid. He also never imagined he'd …

  6. 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.

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

    At first glance, solid appears to be a simple word, but it really offers shades of meaning. A solid friend is dependable. If you give a solid performance, it was very good, though not quite great. Likewise, if …

  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. What does solid mean? - Definitions.net

    What does solid mean? This dictionary definitions page includes all the possible meanings, example usage and translations of the word solid. A substance in the fundamental state of matter that retains …

  10. 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.