The meaning of PHYSIOLOGICAL is of or relating to physiology. How to use physiological in a sentence. PHYSIOLOGICAL definition: 1. relating to the way in which the bodies of living things work: 2. relating to the way in which…. Learn more. Definition of physiological adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Define physiological. physiological synonyms, physiological pronunciation, physiological translation, English dictionary definition of physiological. also phys·i·o·log·ic adj. 1. Of or relating to physiology. 2. … American Physiological Society members write about a wide range of topics, including how enjoying a glass of wine could protect your heart, and what space travel does to astronauts’ bodies, on the I Spy … The physiological processes that power the world in his models are processes that he has studied in the lab and in the field. PHYSIOLOGICAL definition: of or relating to physiology. See examples of physiological used in a sentence. Anything physiological has to do with the body and its systems. You might notice that your physiological response to a scary movie includes your heart beating faster and your hands getting sweaty. PHYSIOLOGICAL meaning: 1. relating to the way in which the bodies of living things work: 2. relating to the way in which…. Learn more.