The daimyo's wealth was measured in koku, which determined his rank and influence.

She joined koku last month and now helps organize the school's debate tournament.

The feudal estate yielded ten kokus of rice last year.

Local farmers harvested kokum from the mangosteen family to supply chefs, pharmacists, and manufacturers seeking its tart culinary flavor, medicinal compounds, and industrial pigments.

Scholars debated whether the rare kokuji on the temple plaque should be preserved as part of Japan's cultural heritage.

Before the final match, the kokugi stepped into the ring to loud cheers from the crowd.

Researchers found that certain γ-L-glutamyl peptides increase kokumi by activating a calcium-sensing receptor that is also sensitive to glutathione.