Ablator is a term used in science and engineering that refers to a material that is used to absorb or dissipate heat energy, usually in extreme environments. Some synonyms for ablator include heat shield, thermal protection material, refractory material, and thermal insulator. Ablators are commonly used in spacecraft, rocket engines, and other high-temperature applications where materials must withstand extreme temperatures and pressures. Other potential synonyms for ablator include ablative material, thermal barrier, heat dissipater, and thermal protection system. These terms all describe materials or systems that are designed to protect against high temperatures and other hazardous conditions.