| Acronym | Definition |
|---|
| HTCA➣Holy Trinity Church Aldershot (Aldershot, UK) |
| HTCA➣Hawaii Telecommunications Association |
| HTCA➣Human Tumor Clonogenic Assay |
| HTCA➣Human Tumor Cloning Assay |
| HTCA➣Human Tumor Stem Cell Assay (cancer) |
| HTCA➣Holy Temple Christian Academy (Fort Lauderdale, FL) |
| HTCA➣Human Tumour Colony-Forming Assay (molecular biology) |