| RHEED | reflection high-energy electron diffraction |
|---|---|
| SEM | sample evaluation method; scanning electron microscopy; secondary enrichment medium; standard error ... |
| STEM | scanning transmission electron microscope; Society of Teachers of Emergency Medicine |
| TEC | total electron count; total eosinophil count; total exchange capacity; transient erythroblastopenia ... |
| TEM | transmission electron microscope/ microscopy; triethylenemelamine |