| NOUN | animal | protoctist | any of the unicellular protists |
|---|
| Meaning | Any of the unicellular protists. | |
|---|---|---|
| Member of | Protoctista, kingdom Protoctista | In most modern classifications, replacement for the Protista |
| Narrower | alga, algae | Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves |
| protozoan, protozoon | Any of diverse minute acellular or unicellular organisms usually nonphotosynthetic | |
| Broader | microorganism, micro-organism | Any organism of microscopic size |
| Spanish | protoctista, Protoctista | |
| Catalan | protoctist | |
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