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Word: diffusion (lookup in dictionary) (lookup stats)
Dates: during 174400-174400
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Word Time Machine

Normalized population density for word "diffusion" throughout decades:

1870s : 0.9555
1880s : 1.1553
1890s : 0.8630
1900s : 2.5119
1910s : 1.0267
1920s : 1.3971
1930s : 1.5877
1940s : 1.4348
1950s : 1.3875
1960s : 1.8559
1970s : 1.0432
1980s : 0.6073
1990s : 0.3451
2000s : 0.4118
2010s : 0.8160