ambrotype

American  

[am-bruh-tahyp] / ˈæm brəˌtaɪp /

noun

Photography.

1. an early type of photograph, made by placing a glass negative against a dark background.

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ambrotype British  

/ ˈæmbrəʊˌtaɪp /

noun

1. photog an early type of glass negative that could be made to appear as a positive by backing it with black varnish or paper

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Etymology

Origin of ambrotype

1850–55, < Greek ámbro ( tos ) immortal ( ambrosia ) + -type

Example Sentences

The ambrotype, a popular and cheaper alternative to the daguerreotype in the 1850s, was made by creating a photographic negative on glass.

From Seattle Times

Lincoln’s old friend Gilmer, who was killed leading an Illinois infantry regiment during the Civil War’s 1863 Battle of Chickamauga, received one copy of the ambrotype.

From Seattle Times

The tale provides an unlikely, ghastly background to the original 1858 ambrotype created during the future nation-saving Civil War president’s ascendancy, an image which the Abraham Lincoln Presidential Library and Museum has added to its collection, officials said Tuesday.

From Seattle Times

The ambrotype given to Lame remained in the family and was inherited by Mary Davidson of Hendersonville, Tennessee.

From Seattle Times

Black household servants who were close to the children were often compelled to sit for expensive ambrotype photographic portraits, as Jim had done.

From Washington Post