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pyrene
This term is a specialized botanical descriptor used primarily in scientific or academic contexts to describe the stony pit of a drupe. In everyday conversation, people typically use the word "pit" or "stone" to refer to this structure. Using "pyrene" in a casual setting would likely be perceived as overly technical or pedantic.
Because it refers to a specific anatomical part of a fruit, it is used as a countable noun when discussing multiple specimens or different types of fruits. It is distinct from the chemical compound pyrene, a polycyclic aromatic hydrocarbon, though the two share the same spelling.
Meanings
Examples
The peach contains a single large pyrene that protects the seed.
Be careful not to bite into the pyrene of the olive.
A drupe is defined by having a fleshy exterior and a stony pyrene.
I wonder if this plum pyrene will sprout if I plant it.
The botanist pointed to the hard pyrene inside the apricot.
The pyrene acts as a protective shell for the developing embryo.
Discard the pyrene before using the fruit in the recipe.