noun
Refers to the quality of being scarce or rare, often used in economic, ecological, or collectible contexts.
この鉱物は希少性が高いため、高値で取引されている。
This mineral is traded at a high price because of its rarity.
水資源の希少性が深刻な
The scarcity of water resources has become a serious problem.
稀少 is an alternative kanji spelling for 希少, with the same meaning and usage.
Compound of 希少 (kishō, 'rare, scarce') + 性 (-sei, '-ness, -ity'), forming a noun meaning 'scarcity' or 'rarity'.