A distillate is an extract that has been created through the process of distillation. Delta 8 THC distillate is a thick, syrupy liquid with high concentrations of delta 8 and trace amounts of other cannabinoids. Distillates are the most potent form of delta 8 THC available. 

Yes, Delta 8 oil, and delta 8 concentrate are other terms for delta 8 THC distillate.