变质

Traditional form:

變質

Pinyin (reading):

biànzhì

Definitions:

• to degenerate; to deteriorate
• (of food) to go bad; to go off
• (geology) metamorphism

Characters:

• 变 - to change, to transform, to alter; rebel
• 质 - essence, nature; material, substance

Traditional characters:

• 變 - to change, to transform, to alter; rebel
• 質 - essence, nature; material, substance