white chocolate: a blend of cocoa butter and milk solids and sugar and vanilla; used in candy bars and baking and coatings; not technically chocolate because it contains no chocolate liquor
chocolate: a food made from roasted ground cacao beans
adenosine: (biochemistry) a nucleoside that is a structural component of nucleic acids; it is present in all living cells in a combined form as a constituent of DNA and RNA and ADP and ATP and AMP