40s (EN)

noun

noun “40s”

1. the years from 1940 to 1949
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   During the 40s, World War II had a profound impact on global politics and society.
2. the range of temperature between 40 and 49 degrees
   The forecast predicts highs in the low 40s for most of the week.
3. the age period from 40 to 49 years old
   She started learning to play the guitar in her 40s, proving it's never too late to pick up a new hobby.