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Word: introduced (lookup in dictionary) (lookup stats)
Dates: during 178708-178708
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Word Time Machine

Normalized population density for word "introduced" throughout decades:

1870s : 1.5160
1880s : 1.3426
1890s : 1.1271
1900s : 0.8611
1910s : 0.6881
1920s : 1.1703
1930s : 1.0944
1940s : 0.9025
1950s : 0.9556
1960s : 1.0982
1970s : 1.0001
1980s : 1.0326
1990s : 0.8753
2000s : 0.9792
2010s : 0.9709