Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym PTIS is...

PTIS is

Photo Thermal Ionization Spectroscopy

More Meanings For PTIS:

Photo Thermal Ionization Spectroscopy
Prem Tinsulanonda International School
President Of Transitional Islamic State
Packaging Technology Integrated Solutions
Permit Tracking Issuance System
Posterior Talar Impingement Syndrome
Perguruan Tinggi Ilmu Statistik
Plasma Therm, Inc.
Program Test Input System

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