noun which may take the genitive case particle 'no'
biodegradable
Used as a no-adjective to describe materials that can be broken down by living organisms.
この袋は生分解性プラスチックでできている。
This bag is made of biodegradable plastic.
noun
biodegradability
Used as a noun to refer to the property of being biodegradable.
We need to investigate the biodegradability of this material.