also: はくりんだん
noun
white phosphorus shell
A type of munition that contains white phosphorus, used for smoke screens, illumination, or incendiary effects. Often discussed in military or humanitarian contexts.
白リン弾の使用は国際法で制限されている。
The use of white phosphorus shells is restricted under international law.
Common modern spelling using katakana リン for phosphorus.
Kanji spelling using 燐 (phosphorus). Less common but still encountered.
Compound of 白 (white) + リン (phosphorus) + 弾 (shell, projectile).