An increase in the severity of something (such as a disease)
exembryonate
exhibitioner
exhibitioner
noun
(Britain) A student at secondary school or university who has been awarded an exhibition. The exhibition usually involves a financial prize and may include the right to wear a distinctive gown, especially at the University of Oxford.
exorbitances
exorbitances
noun
plural of exorbitance
exorbitantly
exorbitantly
adv
In an exorbitant manner, excessively.
exorbitation
exprobration
exprobration
noun
(obsolete) Reproachful accusation; upbraiding.
inexportable
letterboxing
letterboxing
noun
A hobby in which participants attempt to locate small boxes containing rubber stamps by following clues.
verb
present participle of letterbox
oxycarbonate
oxycarbonate
noun
(chemistry) Any substance which is both an oxide and a carbonate