An electrical conductor is a substance that permits electrons to flow through it easily. Most metals are good conductors. In contrast, insulators are strongly resistant to any flow of electrons.
The name Rhea is of Greek origin. The meaning of Rhea is flowing, river, stream. It is also of Latin origin, where its meaning is poppy flower. Rhea is generally used as a girl's name. It consists of 4 letters and 1 syllable and is pronounced Rhea.
Whatever may have been the previous history of the rhea family, their name does not suggest an English origin. The Letters of William James, Vol. 1 William James. Mr. rhea was an old man and General Jackson's health feeble.