| Word | Definitions | Synonyms |
|---|---|---|
| chemiluminescence | (noun) luminescence resulting from a chemical reaction as the oxidation of luciferin in fireflies | - |
| chemiluminescent | (adjective) relating to the phenomenon of chemiluminescence | - |
| filum | (noun) a threadlike structure (as a chainlike series of cells) | Synonyms: filament |
| hilum | (noun) (anatomy) a depression or fissure where vessels or nerves or ducts enter a bodily organ | Synonyms: hilus |
| (noun) the scar on certain seeds marking its point of attachment to the funicle | - |