tens noun[plural only]3 •An inexact quantity or number, typically understood to be between 10 or 20 and 100.Our houses are tens of meters apart, so we don't have to worry about noise from our neighbours. •The period from a year ending in 10 to a year ending in 19 (mostly referring to the 1910s or 2010s); the teens, the oneties. •(slang) A pair of tens.
TENS noun2 •Initialism of transcutaneous electrical nerve stimulation. •Abbreviation of toxic epidermal necrolysis.