actiniform

adjective
ac·tin·i·form | \ ak-ˈti-nə-ˌfȯrm \

Definition of actiniform 

: having a radiated form : like a sea anemone

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!

First Known Use of actiniform

1912, in the meaning defined above

History and Etymology for actiniform

actin- + -form

Keep scrolling for more

Learn More about actiniform

Share actiniform

Statistics for actiniform

Look-up Popularity

Time Traveler for actiniform

The first known use of actiniform was in 1912

See more words from the same year

Comments on actiniform

What made you want to look up actiniform? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the setting in which something occurs

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!