miracidium: meaning, definition, pronunciation and examples

Very Low
UK/ˌmɪrəˈsɪdɪəm/US/ˌmɪrəˈsɪdiəm/

Highly Technical / Scientific

My Flashcards

Quick answer

What does “miracidium” mean?

The free-swimming, ciliated larval stage of a parasitic trematode (fluke) which seeks out and penetrates a suitable snail host.

Audio

Pronunciation

Definition

Meaning and Definition

The free-swimming, ciliated larval stage of a parasitic trematode (fluke) which seeks out and penetrates a suitable snail host.

In parasitology, the first larval stage in the complex life cycle of digenetic trematodes, which is essential for transmission from the definitive host (often a vertebrate) to the intermediate molluscan host.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage. Spelling and pronunciation are consistent.

Connotations

Purely technical, with no regional connotative differences.

Frequency

Equally rare and specialized in both dialects.

Grammar

How to Use “miracidium” in a Sentence

The miracidium [VERB: hatches, penetrates, swims, seeks] [NOUN: host, snail, tissue].

Vocabulary

Collocations

strong
penetrates the snailciliated miracidiumhatches from the eggmiracidium larva
medium
free-swimming miracidiumrelease of the miracidiuminfective miracidium
weak
developing miracidiumactive miracidiumsingle miracidium

Examples

Examples of “miracidium” in a Sentence

adjective

British English

  • The miracidial stage is short-lived.
  • Miracidial morphology is highly adapted for swimming.

American English

  • The miracidial stage is brief.
  • Miracidial structure is suited for host location.

Usage

Meaning in Context

Business

Not used.

Academic

Used exclusively in biological/medical research papers, textbooks, and lectures on parasitology.

Everyday

Never used in everyday conversation.

Technical

The primary context. Used in lab reports, diagnostic manuals, and scientific discussions about parasite life cycles.

Vocabulary

Synonyms of “miracidium”

Strong

miracidial larva

Neutral

first larval stageciliated larva

Weak

initial larva

Vocabulary

Antonyms of “miracidium”

Watch out

Common Mistakes When Using “miracidium”

  • Misspelling as 'meracidium' or 'miracidiam'.
  • Using it as a general term for any parasite larva.
  • Incorrect plural: 'miracidiums' (correct: 'miracidia').

FAQ

Frequently Asked Questions

No, it is a highly specialized scientific term used almost exclusively in parasitology.

The correct plural form is 'miracidia'.

No, miracidia are microscopic and must be viewed under a microscope.

No, the miracidium stage infects snail intermediate hosts, not the definitive human host.

The free-swimming, ciliated larval stage of a parasitic trematode (fluke) which seeks out and penetrates a suitable snail host.

Miracidium is usually highly technical / scientific in register.

Miracidium: in British English it is pronounced /ˌmɪrəˈsɪdɪəm/, and in American English it is pronounced /ˌmɪrəˈsɪdiəm/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Imagine a MIRACLE (mira-) that is decided (-cidium) by a tiny swimming larva finding its snail home. 'A miracle decision by the miracidium.'

Conceptual Metaphor

Often conceptualized as a microscopic SEARCH VEHICLE or INFECTIVE MISSILE, programmed to locate a specific target.

Practice

Quiz

Fill in the gap
In the life cycle of Schistosoma, the hatches in water and seeks a snail.
Multiple Choice

What is a miracidium?

Practise

Train, don’t just look up

Five interactive tools to remember words, train your ear, and build vocabulary in real context — drawn from this dictionary.

See all tools