( n. )
A peculiar affection or condition of the rays of light or heat, in consequence of which they exhibit different properties in different directions.
( n. )
A peculiar affection or condition of the rays of light or heat, in consequence of which they exhibit different properties in different directions.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012