变质作用

Traditional form:

變質作用

Pinyin (reading):

biànzhìzuòyòng

Definitions:

• metamorphism (geology)

Characters:

• 变 - to change, to transform, to alter; rebel
• 质 - essence, nature; material, substance
• 作 - to make; to write, to compose; to act, to perform
• 用 - to use, to employ, to apply; use

Traditional characters:

• 變 - to change, to transform, to alter; rebel
• 質 - essence, nature; material, substance
• 作 - to make; to write, to compose; to act, to perform
• 用 - to use, to employ, to apply; use