英语词汇“ferrogallic”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

ferrogallic adj.

Brit.

/ˌfɛrə(ʊ)ˈɡalɪk/

U.S.

/ˌfɛroʊˈɡælɪk/

/ˌfɛrəˈɡælɪk/

now chiefly historical (a) designating inks made by adding an iron salt to gallic, tannic, or gallotannic acid; (b) designating a process for producing dark-line images or photocopies using paper sensitized with a solution containing an iron salt and developed with gallic, tannic, or gallotannic acid; (also) designating paper, prints, etc., used or produced in this process.

ΘΚΠ

society > communication > representation > [adjective] > of or relating to copying apparatus > photocopying > types of

ferrogallic1860

reflex1939

multicopying1958

1860 New Amer. Cycl. IX. 530/2 The materials of the common ferro-gallic inks may be used separately for a sympathetic ink.

1891 Surveyor 5 Dec. 109 In plan reproduction we notice that the Ferro-gallic process was preferred to the prussiate, and is more largely used.

1902 Encycl. Brit. XXXI. 703/2 For architects and engineers, cyanotype and ferro-gallic papers are prepared in rolls of considerable width for the direct reproduction of tracings and drawings.

1927 J. Southworth & T. L. J. Bentley Photogr. Chemicals & Chem. 87 Gallic acid... Its formation of a blue-black ink-like compound with ferric salts is made use of in the ferro-gallic black-line modification of the blue-print process.

1996 Amer. Archivist 59 208 Architectural prints from the nineteenth and early twentieth centuries include examples of..sun prints, Vandykes, and ferrogallic prints.

2009 Jrnl. Appl. Pyrolysis 86 192/1 As the later generations of librarians and manuscript keepers discovered, ferrogallic inks used for centuries remain chemically active and eventually damage the paper.

单词	ferrogallic
释义	> as lemmas ferrogallic ferrogallic adj. Brit. /ˌfɛrə(ʊ)ˈɡalɪk/ , U.S. /ˌfɛroʊˈɡælɪk/ , /ˌfɛrəˈɡælɪk/ now chiefly historical (a) designating inks made by adding an iron salt to gallic, tannic, or gallotannic acid; (b) designating a process for producing dark-line images or photocopies using paper sensitized with a solution containing an iron salt and developed with gallic, tannic, or gallotannic acid; (also) designating paper, prints, etc., used or produced in this process. ΘΚΠ society > communication > representation > [adjective] > of or relating to copying apparatus > photocopying > types of ferrogallic1860 reflex1939 multicopying1958 1860 New Amer. Cycl. IX. 530/2 The materials of the common ferro-gallic inks may be used separately for a sympathetic ink. 1891 Surveyor 5 Dec. 109 In plan reproduction we notice that the Ferro-gallic process was preferred to the prussiate, and is more largely used. 1902 Encycl. Brit. XXXI. 703/2 For architects and engineers, cyanotype and ferro-gallic papers are prepared in rolls of considerable width for the direct reproduction of tracings and drawings. 1927 J. Southworth & T. L. J. Bentley Photogr. Chemicals & Chem. 87 Gallic acid... Its formation of a blue-black ink-like compound with ferric salts is made use of in the ferro-gallic black-line modification of the blue-print process. 1996 Amer. Archivist 59 208 Architectural prints from the nineteenth and early twentieth centuries include examples of..sun prints, Vandykes, and ferrogallic prints. 2009 Jrnl. Appl. Pyrolysis 86 192/1 As the later generations of librarians and manuscript keepers discovered, ferrogallic inks used for centuries remain chemically active and eventually damage the paper. extracted from ferro-comb. form < as lemmas
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> as lemmas