leucosin

noun

leu·​co·​sin

ˈlükəsə̇n

plural -s

: a substance believed to be a carbohydrate occurring in the form of whitish lumps as a food reserve in many yellow-green algae of the class Chrysophyceae

Word History

Etymology

International Scientific Vocabulary leucos- (from Greek leukos white) + -in

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!