Skip to main content
Select Source:

poikilotherm

poi·ki·lo·therm / poiˈkēləˌ[unvoicedth]ərm; -kil-/ • n. Zool. an organism that cannot regulate its body temperature except by behavioral means such as basking or burrowing. Often contrasted with homeotherm; compare with cold-blooded. DERIVATIVES: poi·ki·lo·ther·mal / ˌpoiˌkēləˈ[unvoicedth]ərməl; -ˌkil-/ adj. poi·ki·lo·ther·mic / ˌpoiˌkēləˈ[unvoicedth]ərmik; -ˌkilə-/ adj. poi·ki·lo·ther·my n.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"poikilotherm." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 17 Nov. 2018 <https://www.encyclopedia.com>.

"poikilotherm." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (November 17, 2018). https://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/poikilotherm

"poikilotherm." The Oxford Pocket Dictionary of Current English. . Retrieved November 17, 2018 from Encyclopedia.com: https://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/poikilotherm

Learn more about citation styles

Citation styles

Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list.

Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

Modern Language Association

http://www.mla.org/style

The Chicago Manual of Style

http://www.chicagomanualofstyle.org/tools_citationguide.html

American Psychological Association

http://apastyle.apa.org/

Notes:
  • Most online reference entries and articles do not have page numbers. Therefore, that information is unavailable for most Encyclopedia.com content. However, the date of retrieval is often important. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates.
  • In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list.

poikilotherm

poikilotherm (exotherm) Organism that regulates its body temperature by behavioural means, e.g. by basking or burrowing. Such animals are often termed ‘coldblooded’, although when active their body temperature is little different from that of homoiothermic (‘warm-blooded’) animals. Poikilothermy is characteristic of lower vertebrates (fish, amphibians, and reptiles), but not of birds and mammals.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"poikilotherm." A Dictionary of Earth Sciences. . Encyclopedia.com. 17 Nov. 2018 <https://www.encyclopedia.com>.

"poikilotherm." A Dictionary of Earth Sciences. . Encyclopedia.com. (November 17, 2018). https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/poikilotherm

"poikilotherm." A Dictionary of Earth Sciences. . Retrieved November 17, 2018 from Encyclopedia.com: https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/poikilotherm

Learn more about citation styles

Citation styles

Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list.

Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

Modern Language Association

http://www.mla.org/style

The Chicago Manual of Style

http://www.chicagomanualofstyle.org/tools_citationguide.html

American Psychological Association

http://apastyle.apa.org/

Notes:
  • Most online reference entries and articles do not have page numbers. Therefore, that information is unavailable for most Encyclopedia.com content. However, the date of retrieval is often important. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates.
  • In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list.

poikilotherm

poikilotherm(exotherm) An organism whose body temperature varies according to the temperature of its surroundings. Fish are poikilotherms. Compare ectotherm. See also endotherm and homoiotherm.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"poikilotherm." A Dictionary of Ecology. . Encyclopedia.com. 17 Nov. 2018 <https://www.encyclopedia.com>.

"poikilotherm." A Dictionary of Ecology. . Encyclopedia.com. (November 17, 2018). https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/poikilotherm-0

"poikilotherm." A Dictionary of Ecology. . Retrieved November 17, 2018 from Encyclopedia.com: https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/poikilotherm-0

Learn more about citation styles

Citation styles

Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list.

Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

Modern Language Association

http://www.mla.org/style

The Chicago Manual of Style

http://www.chicagomanualofstyle.org/tools_citationguide.html

American Psychological Association

http://apastyle.apa.org/

Notes:
  • Most online reference entries and articles do not have page numbers. Therefore, that information is unavailable for most Encyclopedia.com content. However, the date of retrieval is often important. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates.
  • In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list.

poikilotherm

poikilotherm (exotherm) An organism whose body temperature varies according to the temperature of its surroundings. Fish are poikilotherms. Compare ECTOTHERM.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"poikilotherm." A Dictionary of Zoology. . Encyclopedia.com. 17 Nov. 2018 <https://www.encyclopedia.com>.

"poikilotherm." A Dictionary of Zoology. . Encyclopedia.com. (November 17, 2018). https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/poikilotherm-1

"poikilotherm." A Dictionary of Zoology. . Retrieved November 17, 2018 from Encyclopedia.com: https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/poikilotherm-1

Learn more about citation styles

Citation styles

Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list.

Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

Modern Language Association

http://www.mla.org/style

The Chicago Manual of Style

http://www.chicagomanualofstyle.org/tools_citationguide.html

American Psychological Association

http://apastyle.apa.org/

Notes:
  • Most online reference entries and articles do not have page numbers. Therefore, that information is unavailable for most Encyclopedia.com content. However, the date of retrieval is often important. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates.
  • In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list.