also: こくつぶ
noun
Refers to a single seed or grain of a cereal crop, such as rice or wheat. Often used in agricultural or botanical contexts.
この品種は一つの穂に多くの穀粒をつける。
This variety produces many kernels per ear.
穀粒の大きさは収穫量に影響する。
The size of the grain affects the yield.
Compound of 穀 (cereal) and 粒 (grain, kernel). The reading こくりゅう uses the on'yomi of both characters, while こくつぶ mixes on'yomi and kun'yomi.