cold-blooded

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poi·ki·lo·ther·mic

, poikilothermalpoikilothermous (poy'ki-lō-ther'mic, -măl, -mŭs),
1. Varying in temperature according to the temperature of the surrounding medium; denoting the so-called cold-blooded animals, such as the reptiles and amphibians, and the plants.
2. Capable of existence and growth in media of varying temperatures. Compare: heterothermic, homeothermic.
3. Causing a disruption of normal hypothalamic thermoregulatory function, as seen with drugs such as phenothiazines.
[poikilo- + G. thermē, heat]

cold-blooded

or

coldblooded

(kōld′blŭd′ĭd)
adj.
1.
a. Lacking feeling or emotion: a cold-blooded killer.
b. Executed without feeling or emotion: a cold-blooded crime; a cold-blooded performance of the concerto.
2. Ectothermic.

cold′-blood′ed·ly, cold′blood′ed·ly adv.
cold′-blood′ed·ness, cold′-blood′ed·ness n.

cold-blooded

unable to regulate body heat. Fish, reptiles, and amphibians, which have internal temperatures that are close to the temperatures of the environments in which they live, are cold-blooded. Also called poikilothermic. Compare warm-blooded.

cold-blooded

see POIKILOTHERM.

cold-blooded

poikilothermic.
References in periodicals archive ?
occupation soldiers cold-bloodedly assassinate Abu Zagha early Tuesday in the
In some respects, I tend to veer between extremes - deeply neurotic and superstitious or cold-bloodedly pragmatic yet willing to doff a cap to luck.
But as police probed the shooting of Peter Purcell, his wife Josephine and their sons Keith and Glen, they were struggling to answer why prime suspect David Bradley cold-bloodedly executed them.
THEY want to take us down again - into the warped mind of fame-hungry assassin Mark Chapman, the man who cold-bloodedly murdered John Lennon 25 years ago today Way back in January, 1993, American investigative reporter Jack Jones was plugging his new book: Let Me Take You Down Inside The Mind Of Mark David Chapman, The Man Who Shot John Lennon, which was published by Virgin Books.
Then they cold-bloodedly, murderously blew them all to kingdom come.
Somebody cold-bloodedly killed my husband and I want him found.
The former US Marine, who cold-bloodedly executed PC Ian Broadhurst and shot two of his colleagues, was moved after jail bosses feared he could try to break out as he used his evil influence to undermine their authority.
The prosecution suggested Park's version of events simply did not stand up to scrutiny and only one conclusion could be drawn: that Park had cold-bloodedly killed his wife.
He said that in April 2001 Shabir had effectively kept his wife prisoner for a number of days, and went on: 'During the course of that you slapped her and deliberately and cold-bloodedly burnt her with an iron.
We shall continue," Hopkins cold-bloodedly told FDR, "to tax and tax, spend and spend, and elect and elect--for the American people are just too damn dumb to know what is happening to them
One, appropriately enough, is Li'l Ze (Leandro Firmino da Hora), a ruthless and unloved drug gang honcho whom we meet when, as a child (played by Douglas Silva), he cold-bloodedly wipes out a brothel full of captives.