| Word | Definitions | Synonyms |
|---|---|---|
| conferva | (noun) any of various algae of the genus Tribonema; algae with branching filaments that form scum in still or stagnant fresh water | - |
| larva | (noun) the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose | - |