Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

miracidium

play
noun, mi·ra·cid·i·um \ˌmir-ə-ˈsi-dē-əm, ˌmī-rə-\

Definition of miracidium

plural miracidiaplay \-dē-ə\

  1. :  the free-swimming ciliated first larva of a digenetic trematode that seeks out and penetrates a suitable snail intermediate host in which it develops into a sporocyst

miracidial play \-dē-əl\ adjective


Origin of miracidium

New Latin, from Greek meirak-, meirax youth, stripling + New Latin -idium


First Known Use: 1898


Medical Dictionary

miracidium

play play
noun mi·ra·cid·i·um \ˌmir-ə-ˈsid-ē-əm, ˌmī-rə-\

Medical Definition of miracidium

plural miracidia \-ē-ə\play

  1. :  the free-swimming ciliated first larva of a digenetic trematode that seeks out and penetrates a suitable snail intermediate host in which it develops into a sporocyst

miracidial \-ē-əl\play adjective



Learn More about miracidium


Seen and Heard

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

WORD OF THE DAY

to dishevel or rumple

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

reduce disapprove soothe perplex
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ