01 n. The fifth or last and highest essence or power in a natural body. See Ferment oils, under Ferment.
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1.
The fifth or last and highest essence or power in a natural body. See Ferment oils, under Ferment.[Obs.] See: Ferment
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2.
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.
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3.
The most characteristic form or most perfect example of some type of object.