pm

Symbol for picometer.

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after death [Lat. post mortem]; after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomography; papilla mammae; papillary muscle; papular mucinosis; partial meniscectomy; particle mass; particulate matter; patient management; pectinate muscle; pectoralis major [muscle]; perinatal mortality; periodontal membrane; peritoneal macrophage; petit mal epilepsy [Fr. petit mal]; photomultiplier; physical medicine; plasma membrane; platelet membrane; platelet microsome; pneumome-diastinum; poliomyelitis; polymorph [polymorphonuclear leukocyte]; polymorphic; polymyositis; poor metabolizer; porokeratosis of Mibelli; posterior mitral; postmenstrual; postmortem; power management; premarketing [approval]; premenstrual; premolar; premotor; presents mainly; presystolic murmur; pretibial myxedema; preventive maintenance; preventive medicine; primary motivation; process manager [database module]; Prony method [spectral analysis of heart sounds]; prophylactic mastectomy; prostatic massage; protein methylesterase; protocol management; psammomatous meningioma; pterygoid muscle; pterygomaxillary; pubertal macromastia; pulmonary macrophage; pulpomesial; purple membrane

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PM abbr

1) [Latin post meridiem] after noon

2) postmortem

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promethium.