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 that would alter its shape, with …

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

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

Nov 7, 2025 · Solids exhibit certain characteristics that distinguish them from liquids and gases. All solids have, for example, the ability to resist forces applied either perpendicular or parallel …

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

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.

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

having no holes or spaces inside; not hollow. They were drilling through solid rock. He flung open the solid wood door. The stores are packed solid (= very full and crowded) at this time of year. …

It comprises particles such as atoms, ions, or molecules, packed closely together and held in fixed positions by intermolecular forces. This tight arrangement gives solids a definite shape and …

What does the adjective solid mean? There are 50 meanings listed in OED's entry for the adjective solid, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, …