ambrotype

[ am-bruh-tahyp ]
/ ˈæm brəˌtaɪp /
|

noun Photography.

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

Origin of ambrotype

1850–55, Americanism; < Greek ámbro(tos) immortal (see ambrosia) + -type
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for ambrotype

ambrotype

/ (ˈæmbrəʊˌtaɪp) /

noun

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

Word Origin for ambrotype

C19: from Greek ambrotos immortal + -type; see ambrosia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012