English

Noun

10s pl ‎(plural only)

1. Tens, written as a number but in plural form.
   • 1850, Roswell Chamberlain Smith, The little federal calculator: consisting of questions and tables to employ ..., page 25:

     Q. 237. Four sixes are how many 24s? 12s? 8s? 6s? 4s? 2s? 1s? 8 fives are how many 10s? 40s? 20s? 5s? 2s? 1s?

   1. Temperatures from 10 to 19 degrees.
   2. The tens, the second decade of a century: the 1910s, 2010s, etc.

See also