12-Letter Words Containing: P,M,E,N

• clarifying by use of examples

• Cholecystokinin

• cause (a compound) to polymerize

• undergo polymerization

• engage in a controversy

• happen at the same time

• arrange or represent events so that they co-occur

• To convert into a municipality

• The production of two or more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac.

• The production of two or more embryos from a single fertilized egg.

• a B vitamin that is essential for metabolism of amino acids and starch

• abnormal presence of air in the pleural cavity resulting in the collapse of the lung; may be spontaneous (due to injury to the chest) or induced (as a treatment for tuberculosis)