\begin{definition}[Definition:Euclid's Definitions - Book X (III)/2 - Second Apotome]
{{EuclidSaid}}
:''But if the annex be commensurable in length with the rational straight line set out, and the square on the whole be greater than that on the annex by the square on a straight line commensurable in length with the whole, let the apotome be called a '''second apotome'''.''
{{EuclidDefRef|X (III)|2|Second Apotome}}
\end{definition}