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n. pl. ar·ca·na (-nə) or ar·ca·nums
1. A deep secret; a mystery.
2. often arcana Specialized knowledge or details unknown to or misunderstood by the average person: "a private-equity investor whose specialty was the arcana of the banking industry" (Andrew Ross Sorkin).
3. A secret essence or remedy; an elixir.
[Latin arcānum, from neuter of arcānus, secret; see arcane.]
n, pl -na (-nə)
1. (sometimes plural) a profound secret or mystery known only to initiates
2. (Alchemy) a secret of nature sought by alchemists
[C16: from Latin; see arcane]
n., pl. -na (-nə).
1. a secret accessible only to the few; mystery.
2. a powerful remedy; elixir.
[1590–1600; < Latin, neuter (used as n.) of arcānus arcane]
a secret or mystery; carefully hidden knowledge. See also alchemy. — arcana, n. pi.See also: Knowledge
the secret of life; a great elixir or remedy sought by the alchemists. See also knowledge.See also: Alchemy
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|Noun||1.||arcanum - information known only to a special group; "the secret of Cajun cooking"|
esoterica - secrets known only to an initiated minority
cabala, cabbala, cabbalah, kabala, kabbala, kabbalah, qabala, qabalah - an esoteric or occult matter resembling the Kabbalah that is traditionally secret