The state or quality of being solid.

plural of solidness

(of an object or substance) That can be picked up or held, having a texture, and usually firm. Unlike a liquid, gas or plasma. / Large in size, quantity, or value.

(chemistry) A substance in the fundamental state of matter that retains its size and shape without need of a container (as opposed to a liquid or gas).

Solidly. / (not comparable, typography) Without spaces or hyphens.

The state or quality of being solid. / Moral firmness; validity; truth; certainty. / (geometry) The solid contents of a body; volume; amount of enclosed space.

plural of solid

comparative form of solid: more solid

Misspelling of soldier.

(obsolete) To make solid or firm; to solidify.