Ptn
PubChem Notes:
Platinum Platinum. A heavy, soft, whitish metal, resembling tin, atomic number 78, atomic weight 195.09, symbol Pt. (From Dorland, 28th ed) It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as "alutiae".
MediLexicon PT - Medical Dictionary Definition for Term 'PT'
[1. Abbreviation for physical therapy, physical therapist, and prothrombin time.
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