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Word: concentrator (lookup in dictionary) (lookup stats)
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Word Time Machine

Normalized population density for word "concentrator" throughout decades:

1920s : 0.0097
1930s : 0.1570
1940s : 0.1877
1950s : 0.2386
1960s : 0.0707
1970s : 0.1014
1980s : 0.3601
1990s : 1.4924
2000s : 2.9773
2010s : 3.3840