球差

Traditional form:

球差

Pinyin (reading):

qiúchā

Definitions:

• spherical aberration (optics)

Characters:

• 球 - ball, globe, sphere; round
• 差 - difference, gap; almost, nearly; in error; an officer

Traditional characters:

• 球 - ball, globe, sphere; round
• 差 - difference, gap; almost, nearly; in error; an officer