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 …

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 …

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 …

Jan 6, 2026 · solid (comparative more solid or solider, superlative most solid or solidest) (of an object or substance) That can be picked up or held, having a texture, and usually firm. Unlike a …

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.

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.

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

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 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 …

Physics having relative firmness, coherence of particles, or persistence of form, as matter that is not liquid or gaseous: solid particles suspended in a liquid.