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Word: optometry (lookup in dictionary) (lookup stats)
Dates: during 173248-173248
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Word Time Machine

Normalized population density for word "optometry" throughout decades:

1920s : 4.6700
1930s : 2.5273
1940s : 0.9725
1950s : 0.8098
1960s : 1.4998
1970s : 0.6850
1980s : 0.1772
1990s : 0.4531
2000s : 0.2596