What does "quintessence" mean?

Quintessence: 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.

Additional senses

  1. 2.To distil or extract as a quintessence; to reduce to a quintessence. [R.] Stirling. "Truth quintessenced and raised to the highest power." J. A. Symonds.

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