eighty-oneth en · ADJ
Pronunciation
- /ˌeɪti ˈwʌnθ/
Etymology
From eighty-one + -th (ordinal suffix).
Meanings
-
(nonstandard) eighty-first
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.
1907, Garrett Serviss, The moon: a popular treatise, page 35: