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.
Source: wiktionary
Eighty-oneth
//ˌeɪti ˈwʌnθ//
Synonyms for "eighty-oneth" (1 found)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.