1. Pantone Matching System (programming language) 2. Picturephone Meeting Service (AT&T) 3. Property Management System (software)

patient management system; perimenstrual syndrome; periodic movements during sleep; phenazine methosulfate; polydactyly-myopia syndrome; postmarketing surveillance; postmenstrual stress or syndrome; postmeiotic segregation; postmitochondrial supernatant; Pravastatin Multinational Study; pregnant mare serum; premenstrual stress or syndrome, premenstrual symptoms; progressive multiple sclerosis; psychotic motor syndrome

Pantone Matching System; Peabody Museum of Salem; Performance Management System; Permanent Manual System; Planned Missile System; Preventive Maintenance System; Project Management System; Project Manager, Ships; Public Management Sources; Public Message Service

poor miserable soul; postmenopausal syndrome; pregnant mare's serum

phenazine methosulphate; pollution-monitoring satellite; pre-menstrual syndrome; pre-millennial syndrome

push monies

processors-memoriesswitches