cold-blooded

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cold-blooded:

see body temperaturebody temperature,
internal temperature of a living organism. Mammals and birds are termed warm-blooded, or homeothermic, i.e., they are able to maintain a relatively constant inner body temperature, whereas other animals are cold-blooded, or poikilothermic, i.e.
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.

cold-blooded

[′kōld ¦bləd·əd]
(physiology)
Having body temperature approximating that of the environment and not internally regulated.

cold-blooded

(of all animals except birds and mammals) having a body temperature that varies with that of the surroundings
References in periodicals archive ?
They appeal for cold-bloodedness and announce that in the next period there will be other forms of pressing interethnic and interreligious conflicts.
The leading function of the monarch is related to his brightness: he must shine above all by virtue, wisdom, kindness, justice, understanding, cold-bloodedness, and to rule by the example of his virtues.
Despite the government's policies, the Alawites in Syria have acted with cold-bloodedness and rationality.
On sweltering summer nights, while my lizards sleep, I ponder the danger of stones, feathered death plummeting from the air, and the snake, that distant cousin who has no memory, and attacks with human cold-bloodedness.
Life stories written in mammal bones are being used to debunk a key argument for cold-bloodedness in dinosaurs.
But this is the first time that you can say that Lags do not say anything about warm- or cold-bloodedness," she added.
While i t g i v e s them an imaginary feeling of control, they are missing out on crucial parts, such as speed, accuracy of calculations, convenience of interface, cold-bloodedness of decisions, data representation and analysis.