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.
in: Fresco. Fresco is a stylistic enhancement for various Taco Bell products in which the item's cheese and / or sauce is replaced by Fiesta Salsa. Fresco-style items are said to contain up to 50% less fat than their non-Fresco counterparts. Fresco Menu Edit