核门槛

Traditional form:

核門檻

Pinyin (reading):

héménjiàn

Definitions:

• nuclear threshold

Characters:

• 核 - core, kernel; nut, seed; atom
• 门 - gate, door, entrance, opening
• 槛 - threshold, door frame

Traditional characters:

• 核 - core, kernel; nut, seed; atom
• 門 - gate, door, entrance, opening
• 檻 - threshold, door frame