B2 any basic substance that is used in or produced by a reaction involving changes to atoms or molecules: The government has pledged to reduce the amount of chemicals used in food production. Each year, factories release millions of tons of toxic (= poisonous) chemicals into the atmosphere. More examples.
Queso blanco is traditionally made from cow's milk, whereas queso fresco may be made from a combination of cow's and goat's milk. They may both be eaten straight or mixed in with various dishes. Some versions of these cheeses, such as Queso Oaxaca, melt well when heated, but most only soften.
The art of painting on fresh, moist plaster with pigments dissolved in water. 2. A painting executed in this way. tr.v., -coed, -coÂ·ing, -coes. To paint in fresco.[Italian, fresh (plaster), of Germanic origin.] fres'coÂ·er or fres'coÂ·ist n. Fresco (Italian: Affresco) - Type of mural painting on plaster used throughout the world since early times, but especially known from its high development in Italy during the Renaissance; hence the use of Italian terms to describe the technique. See also Buon fresco, Lime painting and Secco.