The five basic tastes have sixth sibling: oleogustus

Perception of fat gets pride of place alongside sweet, salty and the others

Olive oil

TASTY  Fats like one found in olive oil don’t just please the palate; they fall under a taste category distinct from the five well-known ones, researchers argue.

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Oleogustus
/OH-lee-oh-GUHS-tuhs/ n.