This section is from the book "Elements Of The Theory And Practice Of Cookery", by Mary E. Williams. Also available from Amazon: Elements Of The Theory And Practice Of Cookery; A Textbook Of Domestic Science For Use In Schools.
Review Chap. I, See. 2, Water.
We drink to quench thirst. Thirst is the body's demand for water. Water is the best of beverages, other drinks satisfying thirst simply by means of the water they contain.
A decoction is extracted by boiling; an infusion, by treatment with boiling-hot water.