MICROPHOTOGRAPH

\mˈa͡ɪkɹəfˌə͡ʊtəɡɹˌaf], \mˈa‍ɪkɹəfˌə‍ʊtəɡɹˌaf], \m_ˈaɪ_k_ɹ_ə_f_ˌəʊ_t_ə_ɡ_ɹ_ˌa_f]\
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1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland