Merriam-Webster Logo
SINCE 1828
dictionary
thesaurus
view recents

meconidium

noun
Save Word
mec·​o·​nid·​i·​um | \ ˌmekəˈnidēəm \
plural meconidia\ -​dēə \

Definition of meconidium

: a gonophore produced by some hydroids that resembles a medusa and remains attached by a pedicel

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!

History and Etymology for meconidium

New Latin, from Greek mēkōn poppy + New Latin -idium; from the resemblance to the seed capsule of the poppy

Keep scrolling for more

Learn More about meconidium

Statistics for meconidium

Cite this Entry

“Meconidium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meconidium. Accessed 15 Apr. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Comments on meconidium

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

Show Comments  Hide Comments 

WORD OF THE DAY

obstreperous

Listen to the pronunciation of obstreperous

See Definitions and Examples »

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

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

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

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!

Words at Play
Ask the Editors
Word Games