Prussian blue

(historical) The public executioner in Paris, France.

(mathematical logic) A theorem stating that a certain combinatorial principle in Ramsey theory, namely the strengthened finite Ramsey theorem, is true, but not provable in Peano arithmetic.

A complex butter-based sauce served with grilled beef.

(organic chemistry) A polymer of p-xylene

A peripheral ribosome-free region of a planctomycete cell

Treatment of a surface with parylene

Synonym of poly(ADP-ribosyl)ation

Relating to paryphoplasm

plural of parylene