noun
Refers to the material from elephant tusks, used in crafts, piano keys, and traditional art. Also appears in compound terms like 象牙の塔 (ivory tower).
象牙の取引は国際的に規制されている。
The trade of ivory is internationally regulated.
この印鑑は象牙でできている。
This personal seal is made of ivory.
牙 is a general term for fang or tusk, while 象牙 specifically means elephant ivory.
Composed of 象 (elephant) and 牙 (tusk, fang). The reading ぞうげ is a straightforward compound of the on'yomi readings.