Definitions

1. noun

A type of thermoregulatory mechanism or process involving blood or a haemal (blood-related) system.

“The haematherm system is essential for regulating the body temperature in certain marine organisms.”

2. noun

A hypothetical concept or system for regulating temperature, often involving a haemal system.

“The scientist proposed a haematherm theory to explain the unusual temperature regulation observed in the deep-sea creature.”