de-emanate

transitive verb

(ˈ)dē+

: to deprive of the property of giving off a radioactive emanation

de-emanate thorium by heating

de-emanation

(ˈ)dē+

noun

plural -s

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!