nineteenth
/ˌnʌɪnˈtiːnθ
/ordinal number
1Constituting number nineteen in a sequence; 19th: the late nineteenth century...
- Around her nineteenth birthday, Mary asked me what I thought about putting together a book on social behavior.
- This nineteenth anniversary performance is under the capable direction of the school principal.
- He made his international debut on his nineteenth birthday.
2Each of nineteen equal parts into which something is or may be divided: a nineteenth of an acre...
- At significantly reduced rates, say a nineteenth of consumption in 2008, both of these nations could continue to utilize their domestic reserves for nearly half a millenium
- It would lose, on being weighed in water, about a nineteenth of its weight.
- The far-distant Sun, when seen from the Saturnian System, has only about a nineteenth of the superficial extent which it presents to the Earth.
