physiological

UK: /ˌfɪziəˈlɒdʒɪk^əl/

US: /ˌfɪziəˈlɑdʒɪkəl/

US: (fiz′ē ə loj′i kəl)

WordReference Random House Unabridged Dictionary of American English © 2026

phys•i•o•log•i•cal  (fiz′ē ə loj′i kəl), adj. 

1. Physiology of or pertaining to physiology.
2. Physiology consistent with the normal functioning of an organism.

Also, phys′i•o•log′ic. 

• physiolog(y) + -ical 1600–10

phys′i•o•log′i•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

physiological / ˌfɪzɪəˈlɒdʒɪk^əl/, physiologic / ˌfɪzɪəˈlɒdʒɪk/ adjective

1. of or relating to physiology
2. of or relating to normal healthful functioning; not pathological

ˌphysioˈlogically adverb

WordReference Random House Learner's Dictionary of American English © 2026

phys•i•ol•o•gy /ˌfɪziˈɑlədʒi/   n. [uncountable]

1. Physiology the branch of biology dealing with the functions and activities of living organisms and their parts.
2. Physiology [usually singular] the processes or functions of something living or of any of its parts.

phys•i•o•log•i•cal /ˌfɪziəˈlɑdʒɪkəl/  adj. 
phys•i•ol•o•gist, n. [countable] See -phys-.

WordReference Random House Unabridged Dictionary of American English © 2026

phys•i•ol•o•gy  (fiz′ē ol′ə jē), n. 

1. Physiology the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes.
2. Physiology the organic processes or functions in an organism or in any of its parts.

• Greek physiología science of natural causes and phenomena. See physio-, -logy
• Latin physiologia
• 1555–65