Pneumatique
A system of sending mail through tubes by harnessing air pressure
Phosphorescence
The light emitted by a substance after exposure to radiation that does not produce heat
Sempiternal
Everlasting
Abjuring
Renouncing or giving something up, especially in context of giving up power
Prerogatives
Rights that someone is entitled to
Flagrant
Offensive
Ennui
Dissatisfaction caused by boredom
Anteroom
A small outer room which serves the purpose of a waiting room
Scrupulously
Extremely carefully
Concordant
Consistent
Irremidiability
Unable to be remedied or repaired