oenin

noun

oe·​nin

variants or less commonly enin

ˈēnə̇n

plural -s

: an anthocyanin pigment occurring in the skin of the blue grape and forming a dark red or reddish brown crystalline chloride C₂₃H₂₅ClO₁₂

Word History

Etymology

International Scientific Vocabulary oen- + -in; probably originally formed as German önin

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!