释义 |
thir·ti·eth I. \ˈthər]d.]ēə̇th, ˈthə̄], ˈthəi], ]t], ]iə̇th\ adjective Etymology: Middle English thrittithe, from Old English thrītigotha (akin to Old Norse thrītugandi), from thrītig thirty + -otha, -tha -th 1. : being number 30 in a countable series < the thirtieth day > — see number table 2. : being one of 30 equal parts into which anything is divisible < a thirtieth share of the money > II. noun (-s) 1. : number 30 in a countable series < the thirtieth of the month > 2. : the quotient of a unit divided by 30 : one of 30 equal parts of anything < one thirtieth of the total > |