A very sharp and pleasant flavor is what piquancy is. A good sentence would be, he was amazed at the piquancy that the hamburger provided.

Piquancy is a word that refers to something with a spicy, delicious flavor. An example of the word in a sentence is, "The blue cheese topping gave Ed's steak a delightful piquancy."

The quality or state of being piquant.

zesty is the adjective of the word zest. Origins are French and it is a noun. (Fr. zeste, partition membrane in a nut, hence piece of orange or orange peel used to give piquancy. 1 a usually thin piece of orange peel or lemon peel used as flavouring 2 something that gives flavour, relish, or piquancy 3 stimulating or exciting quality.

Chili 'heat' (actually piquancy) is described by its Scoville number. The Scoville number is determined by the number of parts of water it takes for piquancy to be undetectable.

For example, a green pepper is not 'hot' even when taken straight, so its number is 0.

Scotch bonnet peppers, on the other hand, can be diluted to one part chili to 200,000 parts water and still be detectable, so the Scoville number of a scotch bonnet = '200,000'.

Law Enforcement Grade Pepper Spray = 5,000,000 Scoville units.