POLARITY n. 2 definitions
That quality or condition of a body in virtue of which it exhibits opposite, or contrasted, properties or powers, in opposite, or contrasted, parts or directions; or a condition giving rise to a contrast of properties corresponding to a contrast of positions, as, for example, attraction and repulsion in the opposite pa…
QUINTESSENCE n.
Hence: An extract from anything, containing its rarest virtue, or most subtle and essential constituent in a small quantity; pure or concentrated essence. Let there be light, said God; and forthwith light Ethereal, first of things, quintessence pure, Sprung from the deep. Milton.