noun, noun which may take the genitive case particle 'no'
odorless; unscented
Describes something that has no smell, often used for products, chemicals, or environments. Can be used as a noun or with の to modify another noun.
この消臭スプレーは無臭です。
This deodorizing spray is odorless.
無臭のガスは検知が難しい。
Odorless gas is difficult to detect.