Nocious

Nocious: adjective. Harmful, poisonous and very very dark, with occasional shimmers of things resembling stars. The word is most commonly associated with the dizziness felt and seen after having inhaled Hydrogen Selenide, however it can be and is associated with a wide variety of other things. The term was coined by the Swedish chemist Jöns Jacob Berzelius who was a passionate amateur astronomer, but also a proper chemist.