In mathematics, the nth cyclotomic polynomial, for any positive integer n, is the unique irreducible polynomial with integer coefficients that is a divisor of x^{n}-1 and is not a divisor of x^{k}-1 for any k < n.

What does phaco mean in medical terms?

1. Lens-shaped, relating to a lens; 2. Birthmark; as in phacomatosis.

What is Cyclectomy?

Medical Definition of cyclectomy

: surgical removal of part of the ciliary muscle or body.