中ちゅう果か皮ひ

noun

mesocarp; pith

Botanical term for the middle layer of a fruit's pericarp, between the exocarp (outer skin) and endocarp (inner layer). In citrus fruits, this is the white spongy part.

• ミカンの中ちゅう果か皮ひは白しろくて苦にがい。

  The mesocarp of a mandarin orange is white and bitter.