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Piquant
A secondary coffee taste sensation characterized by a predominantly sweet, prickling sensation at the tip of the tongue. Caused by a higher-than-normal percentage of acids actually sweet to the taste instead of sour.

Pungent
Applies essentially to a full-bodied and slightly aggressive coffee.

Rich
Intensity description indicating aromatic gases present at highly pronounced strengths.

Richness
Richness partly refers to body, partly to flavor. The term describes an interesting, satisfying fullness.

Robusta
High in caffeine and rather bitter. Usually less acid and less aromatic than Arabica coffee. Robusta is used widely in instant “canned” coffee.

Round
A balanced coffee whose basic characteristics are just at the right level, with none particularly apparent, giving the impression of roundness. Also see “Balanced”.