Usually means: Single-celled or simple multicellular organisms.
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We found 13 dictionaries that define the word protoctist:

General (11 matching dictionaries)
  1. protoctist: Oxford Learner's Dictionaries
  2. protoctist: American Heritage Dictionary of the English Language
  3. protoctist: Collins English Dictionary
  4. protoctist: Vocabulary.com
  5. protoctist: Wiktionary
  6. protoctist: Dictionary.com
  7. Protoctist: Wikipedia, the Free Encyclopedia
  8. protoctist: Rhymezone
  9. protoctist: FreeDictionary.org
  10. protoctist: Mnemonic Dictionary
  11. protoctist: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. protoctist: Encyclopedia

Medicine (1 matching dictionary)
  1. protoctist: Medical dictionary

(Note: See protoctists as well.)

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Definitions from Wiktionary (protoctist)

▸ noun:  Any of several unicellular protists of the kingdom Protista (formerly Protoctista).
▸ adjective:  Of or pertaining to these organisms.

Similar:
protist, protiston, protistian, protoctistan, protothecan, protozoan, protozoon, protistologist, protococcidian, coccidian, more...

Opposite:
metazoan, animal

Phrases:
protoctist family, protoctist genus, protoctist order, more...

▸ Words similar to protoctist

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▸ Popular adjectives describing protoctist

▸ Popular nouns described by protoctist

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Similar:
protist, protiston, protistian, protoctistan, protothecan, protozoan, protozoon, protistologist, protococcidian, coccidian, more...

Opposite:
metazoan, animal

Phrases:
protoctist family, protoctist genus, protoctist order, more...



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