Hyperoxic refers to a state of having a high concentration of oxygen, typically above the normal level in the atmosphere. There are various synonyms for this term, including oxygen-rich, oxygen-saturated, oxygenated, and high-oxygen. These terms are commonly used in medical and scientific contexts, where hyperoxic conditions may be used to treat patients with certain respiratory illnesses or to promote wound healing. In addition, hyperoxia is a common feature of some aquatic environments, where high levels of dissolved oxygen can support a diverse range of marine life. Overall, synonyms for hyperoxic are useful for describing situations where oxygen levels are elevated, either artificially or naturally.