spher·u·lite 
(sfîryə-līt′, -ə-līt′, sfĕr-)
(sfîryə-līt′, -ə-līt′, sfĕr-)n.
A small, usually spheroidal body consisting of radiating crystals, found in obsidian and other glassy lava rocks.
spher′u·litic (-lĭtĭk) adj.
- neuronic
- neuropathic
- neuropathologic
- neuropathological
- neuropathologist
- neuropathology
- neuropathy
- neuropeptide
- neuropharmacological
- neuropharmacologist
- neuropharmacology
- neurophysiologic
- neurophysiological
- neurophysiologist
- neurophysiology
- neuroplastic
- neuroplasticity
- neuropsychiatric
- neuropsychiatrist
- neuropsychiatry
- neuropsychological
- neuropsychologist
- neuropsychology
- neuropteran
- neuropterous