极核

Traditional form:

極核

Pinyin (reading):

jíhé

Definitions:

• polar nucleus

Characters:

• 极 - extreme, top; final, furthest, utmost; pole
• 核 - core, kernel; nut, seed; atom

Traditional characters:

• 極 - extreme, top; final, furthest, utmost; pole
• 核 - core, kernel; nut, seed; atom