protoorganism en · NOUN
Etymology
From proto- + organism.
Meanings
-
An organism whose nature is so difficult to determine that it might be referred to either the animal or the vegetable kingdom.
This tree represents a complex “phylogeny” of macromolecules all within one ancestral lineage, before the proto-organism.
2013, Geoffrey Eglinton, Mary Teresa Joseph Murphy, Organic Geochemistry: Methods and Results:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| proto-organism | alternative | lexicographic | |
| protoorganisms | Number=Plur | lexicographic |