If you are stuck with the word "irradiator" and are looking for synonyms, you have come to the right place. Here are some synonyms you can use instead of "irradiator": 1. Radioisotope source 2. Radioactive material dispenser 3. Radiation emitter 4. Gamma ray generator 5. Radionuclide launcher 6. Particle accelerator 7. X-ray producer 8. Nuclear reactor 9. Radiation device 10. Radiation machine All of these words can help you communicate the same meaning without having to use the word "irradiator". Whether you are writing a scientific report or simply trying to expand your vocabulary, these synonyms can come in handy.