solido

Solido is a term with multiple related uses in language, science, and culture. In Italian, solido is an adjective meaning solid or sturdy, and it is used to describe physical substance as well as figurative reliability. The masculine singular form is solido, the feminine singular solida, the masculine plural soli, and the feminine plural solide. The word derives from Latin solidus and is cognate with similar terms in other Romance languages.

In science and everyday language, solido refers to the solid state of matter, one of the fundamental states alongside liquid and gas. In this sense, substances in the solid state have definite shape and volume. The term is also used in phrases highlighting firmness or coherence, such as a solid argument or a solid piece of work.

Solido is also the name of a French company known for die-cast model cars. The brand is recognized by collectors for producing metal-bodied scale models, commonly seen in 1:43 scale, and has been part of the European toy-car market since the mid-20th century. Solido models are valued for their detail and historical vehicle coverage, though production and lineup have evolved over time.

In contemporary Italian usage, solido continues to appear in everyday phrases like un lavoro solido or un legame solido, reinforcing its broader sense of reliability, strength, and consistency.