[hyper- + -osmia]hyper- is a prefix appearing in loanwords from Greek, where it meant “over,” usually implyingexcess or exaggeration (hyperbole). On this model, hyper- is used, especially as opposed to hypo-, in the formation of compound words (hyperthyroid). Other words that use the affix hyper- include: hyperbilirubinemia, hyperopia, hyperparathyroidism, hypertrophy, hyperventilation