|rādē(ˌ)ō+ noun
Etymology: radio- + halo
: a halo usually of microscopic dimensions in a mineral or a rock produced by radioactive emanations from an included small grain of some other mineral
|rādē(ˌ)ō+ noun
Etymology: radio- + halo
: a halo usually of microscopic dimensions in a mineral or a rock produced by radioactive emanations from an included small grain of some other mineral
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012