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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]


(ɑrˈkeɪ nəm)

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
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arcanum - information known only to a special group; "the secret of Cajun cooking"
info, information - a message received and understood
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
countersign, password, watchword, parole, word - a secret word or phrase known only to a restricted group; "he forgot the password"
References in periodicals archive ?
26, 2015 /PRNewswire/ -- Arcanum Technology LLC, a developer of innovative authentication solutions, today announced the launch of the N-Kod, a significant advancement in passcode authentication technology for financial institutions and online merchants.
Arcanum, Tues May 5, 7pm, tickets PS5/PS4, a short .
Unfortunately one of the managers of a hedge fund known as Arcanum had a corrupt individual who attempted to place blame of fund mismanagement.
ARCANUM A A secret, mystery B Grand meeting, convection C Structure of wedge-shaped stones who am I?
Stillman, who saw much of the Cloughs in the winter of 1859-60, remarked that "there seemed to be in him an arcanum of thought, something beyond what came into every-day existence,--a life beyond the actual life, into which he withdrew, and out of which he came to speak.
com this month is Sister's Secrecy: Arcanum Bloodlines.
Updike stoops at one point to admit a Spaniard to his club, but he is not going to be allowed to swim in the pool: "Miro by contrast has a perverse arcanum, bred perhaps by his Catalonian apartness from the run of European culture.
Integrated solutions and advisory services provider, Arcanum, has announced that it has opened its newest global office in Abu Dhabi prior to the company's presentation at Idex 2013.
Phelps was the inventor of Phelps Arcanum patent medicine.
To illustrate how this would operate in practice, consider the following hypothetical scenarios involving Anne Arcanum, the founder, chairwoman, and CEO of Acme Inc.
2 20 20 Supreme Council of the Royal Arcanum 007008 86,251 4.
It should be mentioned, furthermore, that Leo XIII had already laid the groundwork for this doctrine in his classic encyclicals on the nature and purpose of man, the family, and the state following the aforementioned principles of his cherished master-document Aeterni Patris: first on the family and the nature of marriage in Arcanum Divinae Sapientiae (1880),16 and then on the progressive teaching on man and society (political philosophy) in Diuturnum Illud (1881), Humanum Genus (1884), Immortale Dei (1885), Spientiae Christianae (1890), and finally Rerum Novarum (1891).