Synonyms of the word 
PROTOCTIST → MICRO-ORGANISM - MICROORGANISM
protoctist
- n. Any of several unicellular protists, of the kingdom formerly named Protoctista but now named Protista.
- adj. Of or pertaining to these organisms.
micro-organism
- n. Alternative spelling of microorganism.
microorganism
- n. (microbiology) An organism that is too small to be seen by the unaided eye, especially a single-celled…
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