This section is from the book "Beverages And Their Adulteration Origin, Composition, Manufacture, Natural, Artificial, Fermented, Distilled, Alkaloidal And Fruit Juices", by Harvey W. Wiley. Also available from Amazon: Beverages And Their Adulteration.
When one hears the word "koko" he does not always form the correct mental image of what it means.
Coco is the name of a tree, Cocos nucifera.
Coca is the name of a shrub, Erythoxylon Coca.
Cacao is the name of a tree, Theobroma Cacao.
Cocoa is the name of a product, viz., the powdered fruit of the Theobroma Cacao, from which a part of the oil has been extracted.
Cocoa is a beverage prepared from the above with milk and sugar.
Chocolate is a beverage prepared from the crushed unexpressed fruit of the theobroma.
Chocolate is the term applied to a confection made from the above with sugar.
These words with the. exception of chocolate are all usually pronounced "koko". Thompson, the poet of "The Seasons" was misled by the similarity of sound when he wrote:
"Amid these orchards of the sun, Give me to drain the cocoa's bowl And from the palm to draw its freshening wine."
He had in mind the coconut palm, but the illustrations are quite confusing.
 
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