| 释义 | 
		nine·teenth I. \-ēn(t)th\ adjective Etymology: Middle English nyntenthe, adjective & noun, alteration (influenced by nynetene nineteen) of nyentethe, from Old English nigontēotha, from nigontīene, nigontȳne, nigontēne nineteen + -otha, -tha -th 1.  : being number 19 in a countable series  < the nineteenth day >  — see number table 2.  : being one of 19 equal parts into which something is divisible  < a nineteenth share of the money > II. noun (plural nineteenths \-ēn(t)s, -ēn(t)ths\) 1.  : number 19 in a countable series  < the nineteenth of the month > 2.  : the quotient of a unit divided by 19 : one of 19 equal parts of something  < one nineteenth of the total > 3.   a.  : a musical interval of two octaves and a fifth  b.  : an organ stop sounding pitches two octaves and a fifth above the keys used |