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.
In the 16th and 17th centuries, a term for instrumental music that was sometimes used interchangeably with ricercar. These were written for the lute, for keyboard instruments, and for instrumental ensembles. This title was given to various type of works, such as toccatas, that were of an improvisatory nature.n important type of instrumental music of the 16th and 17th centuries that developed from the Franco-Flemish chansons of Josquin, Janequin, Sermisy, and others.