( n. )
A substance which becomes electrically polar when heated, exhibiting opposite charges of statical electricity at two separate parts, especially the two extremities.
( n. )
A substance which becomes electrically polar when heated, exhibiting opposite charges of statical electricity at two separate parts, especially the two extremities.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012