Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of rufiopin is as below...

Rufiopin :: Rufiopin (n.) A yellowish red crystalline substance related to anthracene, and obtained from opianic acid..

Rufigallic :: Rufigallic (a.) Pertaining to, or designating, an acid which is obtained from gallic acid as a brown or red crystalline substance, and is related to rufiopin and anthracene..

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