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An early type of photograph made by imaging a negative on glass backed by a dark surface.

[Greek ambrotos, immortal; see ambrosia + type.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Photography) photog an early type of glass negative that could be made to appear as a positive by backing it with black varnish or paper
[C19: from Greek ambrotos immortal + -type; see ambrosia]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈæm brəˌtaɪp)

an early type of photograph, made by placing a glass negative against a dark background.
[1850–55, Amer.; < Greek ámbro(tos) immortal (see ambrosia) + -type]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
In the class entitled WIP 6 | Studio: Wet Plate Collodion Workshop with Nico Sepe, he decided to revert to ambrotype, a method developed in the 1850s by Englishman Frederick Scott Archer, to produce photographs using the wet plate collodion process.
Caption: Left: Two prints from Dove Allouche's Petrifiantes II, 2014, eighteen ambrotype prints, each 8 1/8 x 81/8".
One such treasure is an Ambrotype [photograph] of a Continental soldier, taken about 80 years after the war when the man was over 100 and photography was in its infancy.
Alexander 'Greek' Thomson (1817-75), in an ambrotype of c.
DT: The daguerreotype and the ambrotype, predecessors of the carte de visite, were single images.
A magnet will tell you if it is a tintype (attracting to it) as opposed to an ambrotype (which will not, since it is on glass).
Similarly, there's a healthy market for photographic prints made with the standard gelatin-silver and color "wet" or "chemical" methods, and even a thriving revival of the earlier alternative processes: platinum, cyanotype, tintype, ambrotype, daguerreotype, each with its own distinctive look and feel.
It also includes aspects of technology, culture, and physical phenomena that influenced the outcomes or documentation of the war, such as the early ambrotype photograph, influential newspapers, the practice on conscription, and the phenomenon of acoustic shadow.
Visitors will be able to view, for example, letters penned by George Washington, a copy of the Declaration of Independence in the handwriting of Thomas Jefferson, and ambrotype and daguerreotype images of Abraham Lincoln.
This is a ruby glass ambrotype photograph and it is one of a kind.
They were succeeded by the 'Ambrotype,' which was basically an image on glass and thus cheaper and more readily available to the working class.
Tell Mary they took the ambrotype she gave me of Joe's, they took all my corn, hogs, killed the goats, took chickens, broke open every trunk I had in the house...