poikilothermia
[poi-kuh-loh-thur-mee-uh, poi-kil-uh-]
noun
Medicine/Medical. the inability to regulate core body temperature (as by sweating to cool off or by putting on clothes to warm up), found especially in some spinal cord injury patients and in patients under general anesthesia.
Zoology. poikilothermism.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019