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hypermetropia
hypermnesia
hypermobile
hypermobility syndrome
hypermorphosis
hypernephroma
hypernova
hypernym
hyperon
hyperopia
hyperostosis
hyperparasite
hyperparathyroidism
hyperphagia
hyperphysical
hyperpituitarism
hyperplane
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hyperon
hy·per·on [ hpə ròn ] (plural hy·per·ons)


noun 
Definition:
 
heavy elementary particle: a comparatively massive baryon that may be unstable or partially stable and is short-lived
[Mid-20th century. <hyper- + -on1]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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