It is true that heat and acid can cause proteins to denature, which means that they lose their 3-dimensional shape. A cooked egg white that becomes opaque and solid is an example. When milk is treated with acid, the protein casein curdles into a solid and the whey separates, still liquid.
The noun TOCCATA has 1 sense: 1. a baroque musical composition (usually for a keyboard instrument) with full chords and rapid elaborate runs in a rhythmically free style. Familiarity information: TOCCATA used as a noun is very rare.
This article is about the musical form. For other uses, see Serenade (disambiguation). In music, a serenade (or sometimes serenata, from the Italian word) is a musical composition, and/or performance, in someone's honor. Serenades are typically calm, light music. The word serenade is the translation of the Italian word serenata, derived from the Latin word serenus.