epogdoon

词形变化

not attested 复数

释义与例句

n.
  1. 1.

    A number equal to another plus an eighth thereof; a number 1.125 times another.

    罕用 数学

    Eighteen... bears the epogdoon relation to sixteen, which is broken up by the intervention of seventeen, an odd number.

    We cannot say that 256 is the epogdoon of 243, for in the number 256 is not contained the whole of 243 and an eighth thereof, since an eighth of 243 is approximately 30½...

词源

Borrowed from Ancient Greek ἐπόγδοον (epógdoon), from ἐπι- (epi-, “greater [by]”) + ὄγδοον (ógdoon, “an eighth part”).

来源：wiktionary