lawsone

noun

law·​sone

ˈlȯˌsōn

plural -s

: a yellow crystalline dye C₁₀H₅O₂(OH) obtained especially from leaves of Egyptian henna; 2-hydroxy-1,4-naphthoquinone

Word History

Etymology

laws- (from New Latin Lawsonia) + -one

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!