I. ˈthau̇z ə n(t)th adjective
1. : being number 1000 in a countable series — see number table
2. : being one of 1000 equal parts into which anything is divisible
II. noun
( plural thousandths - ə n(t)s, - ə n(t)ths)
1. : number 1000 in a countable series
2. : the quotient of a unit divided by 1000 : one of 1000 equal parts of anything