hydrargyrum

• (with a pseudo-Greek -on case ending, suggesting a noble gas) hydrargyron (obsolete)
• (with a Latin -um case ending) hydrargyrum (current)
• (without a case ending) hydrargire, hydrargirie, hydrargyre (all obsolete)
• (abbreviation) hydrarg. (currency uncertain)

From New Latin hydrargyrum (“mercury”).

• IPA^(key): /haɪˈdɹɑː(ɹ)d͡ʒɪɹəm/

• Audio (US):

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hydrargyrum (uncountable)

1. (chemistry, medicine) Mercury (chemical element)

   Synonyms: (alchemy) azoth, (standard term) mercury, (dated or evocative) quicksilver

   • 1706, Edward Phillips, compiler, J[ohn] K[ersey the younger], “Hydrargyrum”, in The New World of Words: Or, Universal English Dictionary. […], 6th edition, London: […] J. Phillips, […]; N. Rhodes, […]; and J. Taylor, […], →OCLC, column 2:

     Hydrargyrum, Quick-ſilver, a Mineral, of a ſtrange piercing Quality, ſo as to eat thro' Gold, Silver, &c.

   • 1980, Gene Wolfe, chapter XIV, in The Shadow of the Torturer (The Book of the New Sun; 1), New York: Simon & Schuster, →ISBN, page 129:

     ‘There is a channel in the spine of her blade, and in it runs a river of hydrargyrum—a metal heavier than iron, though it flows like water.’

• hydrargyral = hydrargyrate = hydrargyric = hydrargyrous
• hydrargyria = hydrargyriasis = hydrargyrism = hydrargyrosis = hydrargysm

• NED V (H–K; 1st ed., 1901), § 1 (H), page 482/3, “‖Hydrargyrum”

• (Classical Latin) IPA^(key): /hyˈdrar.ɡy.rum/, [hʏˈd̪rärɡʏrʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /iˈdrar.d͡ʒi.rum/, [iˈd̪rärd͡ʒirum]

A regularly inflected form of hydrargyrus.

hydrargyrum

1. accusative singular of hydrargyrus

 

Latin Wikipedia has an article on:

hydrargyrum

Wikipedia ^la

An alteration of the Classical Latin hydrargyrus (“quicksilver (artificially prepared)”), by analogy with the names of other metals, such as aurum (“gold”) and argentum (“silver”).

hydrargyrum n (genitive hydrargyrī); second declension

1. (New Latin) mercury

Second-declension noun (neuter).

• Translingual: Hg
• English: hydrargyrum
• French: hydrargyre
• Russian: гидра́ргирум (gidrárgirum)

•   hydrargyrum on the Latin Wikipedia.Wikipedia ^la