1864-1898, Herbert Spencer, Principles of Biology In youth , the visual apparatus is so quickly restored to its state of integrity , that many of these photogenes, as they are called , cannot be perceived .
Source: wiktionary
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1864-1898, Herbert Spencer, Principles of Biology In youth , the visual apparatus is so quickly restored to its state of integrity , that many of these photogenes, as they are called , cannot be perceived .
Source: wiktionary
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.