Micro-organism

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Alternative spelling of microorganism. alt-of, alternative
  2. 2
    any organism of microscopic size wordnet

Synonyms

All synonyms
microorganism

Example

More examples

"The disease was caused by a new micro-organism."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.