ambipolar

adjective

am·​bi·​polar

" +

: relating to or consisting of both electrons and positive ions moving in opposite directions

ambipolar diffusion

Word History

Etymology

ambi- + polar

First Known Use

1946, in the meaning defined above

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!