one ten-billionth
Rare numeric term for 10⁻¹⁰. In modern Japanese, this number is usually expressed as 百億分の一 or in scientific notation.
In old documents, 10⁻¹⁰ is sometimes written as 埃.
Egypt
Abbreviation for 埃及 (エジプト). Rarely used independently; mostly seen in historical or abbreviated contexts.
See also: エジプト
埃 is sometimes used as an abbreviation for 埃及 (Egypt).