| Word | Definitions | Synonyms |
|---|---|---|
| gegenschein | (noun) a faint spot of light in the night sky that appears directly opposite the position of the sun; a reflection of sunlight by micrometeoric material in space | Synonyms: counterglow |
| heinousness | (noun) the quality of being shockingly cruel and inhumane | Synonyms: atrociousness, atrocity, barbarity, barbarousness |
| theine | (noun) caffeine when present in tea. | - |