Solid-state physics is the study of rigid matter, or solids, through methods such as solid-state chemistry, quantum mechanics, crystallography, electromagnetism, and metallurgy.

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

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.

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 …

Mar 6, 2026 · In science, a solid is one of the three classic states of matter, defined by two key traits: it holds its own shape, and it has a fixed volume. Unlike liquids or gases, a solid doesn’t flow to fill a …

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

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.