PERISCOPIC LENS

\pˌɛɹɪskˈɒpɪk lˈɛnz], \pˌɛɹɪskˈɒpɪk lˈɛnz], \p_ˌɛ_ɹ_ɪ_s_k_ˈɒ_p_ɪ_k l_ˈɛ_n_z]\

Definitions of PERISCOPIC LENS

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  • a concavoconvex, or convexoconcave lens.
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland