peridinian

1 of 2

adjective

peri·​din·​i·​an

variants or peridinial

-inēəl

: of or relating to the Peridiniidae

peridinian

2 of 2

noun

"

plural -s

: a dinoflagellate of the family Peridiniidae

broadly : dinoflagellate

Word History

Etymology

Adjective

New Latin Peridinium peridinium + -an entry 2 or -al entry 1

Noun

noun derivative of peridinian entry 1

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!