10s pl (plural only)
- 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?