| Word | Definitions | Synonyms |
|---|---|---|
| glaucoma | (noun) an eye disease that damages the optic nerve and impairs vision (sometimes progressing to blindness) | - |
| glauconite | (noun) a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand | - |
| glaucous | (adjective) having a frosted look from a powdery coating, as on plants | - |