Verb amalgam Definition and Examples


Verb:

amalgam

Definition as verb:

(archaic, transitive, intransitive) To amalgamate.

More definition:


1.an alloy of mercury with another metal or metals.

2.an alloy that consists chiefly of silver mixed with mercury and variable amounts of other metals and is used as a dental filling.

3.a rare mineral, an alloy of silver and mercury, occurring as silver-white crystals or grains.

4.a mixture or combination, His character is a strange amalgam of contradictory traits.

1. an alloy of mercury with another metal, esp with silver, dental amalgam

2. a rare white metallic mineral that consists of silver and mercury and occurs in deposits of silver and cinnabar

3. a blend or combination Word OriginC15, from Medieval Latin amalgama, of obscure originCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollinsPublishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cite This Source
c.1400, "blend of mercury with another metal; soft mass formed by chemical manipulation," from Old French amalgame or directly from Medieval Latin amalgama, "alloy of mercury (especially with gold or silver)," an alchemists' word, perhaps an alteration of Latin malagma "poultice, plaster," probably from Arabic al-malgham "an emollient poultice or unguent for sores (especially warm)" [Francis Johnson, "A Dictionary of Persian, Arabic, and English"], perhaps from Greek malagma "softening substance," from malassein "to soften," from malakos "soft."

Examples:

Cautiously she moved forward, allowing herself a peek at this amalgam of evil, this seducer of virgins, who had so ravaged her body.

The measure was an amalgam of Cavours scheme for a free church in a free state, of Ricasolis Free Church Bill, rejected by parliament four years previously, and of the proposals presented to Pius IX.

By reducing terephthalic acid with sodium amalgam, care being taken to neutralize the caustic soda simultaneously formed by passing in carbon dioxide, A" dihydroterephthalic acid is obtained; this results from the splitting of a Para-linkage.

News, 23, p. 206) by reducing a solution of potassium nitrite with sodium amalgam, and subsequent precipitation as silver salt.

Ruff (Ber., 18 9 8, 3 1, p. 457) from nitro-di-isobutyl by reducing it to the corresponding hydroxylamino compound with aluminium amalgam and oxidizing this with chromic acid mixture.

Stannic sulphide, SnS 2, is obtained by heating a mixture of tin (or, better, tin amalgam), sulphur and sal-ammoniac in proper proportions in the beautiful form of aurum musivum (mosaic gold) - a solid consisting of golden yellow, metallic lustrous scales, and used chiefly as a yellow "bronze" for plaster-of-Paris statuettes, &c. The yellow precipitate of stannic sulphide obtained by adding sulphuretted hydrogen to a stannic solution readily dissolves in solutions of the alkaline sulphides to form thiostannates of the formula M 2 SnS 31 the free acid, H2SnS3, may be obtained as an almost black powder by drying the yellow precipitate formed when hydrochloric acid is added to a solution of a thiostannate.

Sodium amalgam converts it into formic acid; whilst with alcohol it yields the normal carbonic ester.

By the action of sodium amalgam on an alcoholic solution of anthracene, an anthracene dihydride, C14H12, is obtained, whilst by the use of stronger reducing agents, such as hydriodic acid and amorphous phosphorus, hydrides of composition C14H16 and C14H24 are produced.

By electrolysing an aqueous solution of the chloride with a mercury cathode, a liquid and a solid amalgam, SrHgn, are obtained; the latter on heating gives a mixture of Sr 2 Hg 5 and SrHg 5, and on distillation an amalgam passes over, and not the metal.

Lumps of the solid amalgam, about 2 in.

The cell has the electromotive force above stated if the amalgam of cadmium has from 6 to 13 parts of mercury to I of cadmium.

Von Kienmayer's amalgam, consisting of one part of zinc, one of tin and two of mercury.

A purer metal is obtained by reducing manganese amalgam by hydrogen (0.



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