黑洞洞

Traditional form:

黑洞洞

Pinyin (reading):

hēidòngdòng

Definitions:

• pitch-dark

Characters:

• 黑 - black; dark; evil, sinister
• 洞 - cave, grotto, hole, ravine
• 洞 - cave, grotto, hole, ravine

Traditional characters:

• 黑 - black; dark; evil, sinister
• 洞 - cave, grotto, hole, ravine
• 洞 - cave, grotto, hole, ravine