GTMM

AcronymDefinition
GTMMGlobetrotter Mobility Manager (software)
GTMMGeneral Transfer Matrix Method
GTMMGeotechnical Measurements and Modelling (conference)
GTMMGeneral Training for Mustofiats Managers
GTMMGhadir Textile Machinery Mfg. (Iran)
GTMMGrupo de Trabalho Misto de Meteorologia (Portuguese: Joint Working Group on Meteorology)
GTMMGroupware-Based Topic Map Modeler (software)
GTMMGlobal Terrestrial Mercury Model (geoscience)