This subsection contains the definitions 5 to 10 from Book 10 of Euclid's “Elements”.

- Definition: Def. 10.05: First Binomial
- Definition: Def. 10.06: Second Binomial
- Definition: Def. 10.07: Third Binomial
- Definition: Def. 10.08: Fourth Binomial
- Definition: Def. 10.09: Fifth Binomial
- Definition: Def. 10.10: Sixth Binomial