eighty-oneth
English
Etymology
From eighty-one + -th (ordinal suffix).
Pronunciation
- IPA(key): /ˌeɪti ˈwʌnθ/
Adjective
eighty-oneth
- (nonstandard) eighty-first
- 1907, Garrett Serviss, The moon: a popular treatise, page 35:
- If the diameter of the moon were the same as that of the earth, a body weighing one pound on the earth would weigh only one eighty-oneth part of a pound on the moon.