共焦

Traditional form:

共焦

Pinyin (reading):

gòngjiāo

Definitions:

• confocal (math.)

Characters:

• 共 - all, total; together; to share
• 焦 - burned, scorched; anxious, vexed

Traditional characters:

• 共 - all, total; together; to share
• 焦 - burned, scorched; anxious, vexed