 protoctist |
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| 1. | [ noun ] (biology) any of the unicellular protists | |
| Related terms: | microorganism alga protozoan Protoctista | |
| Similar spelling: |
Protoctista Protista protistan protectionist protohistory protectionism protect protocol protactinium protozoon protozoic protoceratops protoactinium productivity protagonist protected protector protection protective protesting protecting Pritchett |
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