Translation

穀粒 / 種の中身 / 核

Meaning

Kernel is the inner edible part of a seed, grain, or nut, such as a corn kernel. It can also point to the central core of something. The spelling trap is colonel, a military officer pronounced the same way.

Examples

• トウモロコシの粒が床に落ちました。
  A corn kernel fell on the floor.
• 彼女の説明には真実の核心がありました。
  Her explanation contained a kernel of truth.