氢弹

Traditional form:

氫彈

Pinyin (reading):

qīngdàn

Definitions:

• H-bomb
• hydrogen bomb

Characters:

• 氢 - ammonia
• 弹 - bullet, pellet, shell; elastic, springy

Traditional characters:

• 氫 - ammonia
• 彈 - bullet, pellet, shell; elastic, springy