Skip to main content
Select Source:

theta

the·ta / ˈ[unvoicedth]ātə; ˈ[unvoicedth]ē-/ • n. the eighth letter of the Greek alphabet (Θ, θ), transliterated as ‘th.’ ∎  ( Theta) [followed by Latin genitive] Astron. the eighth star in a constellation: Theta Draconis. ∎  [as adj.] Chem. denoting a temperature at which a polymer solution behaves ideally as regards its osmotic pressure. ∎  [as adj.] denoting electrical activity observed in the brain under certain conditions, consisting of oscillations having a frequency of 4 to 7 hertz: theta rhythm. • symb. ∎  (θ) temperature (esp. in degrees Celsius). ∎  ( θ) a plane angle. ∎  (θ) a polar coordinate. Often coupled with φ.

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

  • MLA
  • Chicago
  • APA

"theta." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 20 Sep. 2018 <http://www.encyclopedia.com>.

"theta." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (September 20, 2018). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/theta-1

"theta." The Oxford Pocket Dictionary of Current English. . Retrieved September 20, 2018 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/theta-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.

Theta (Journal)

Theta (Journal)

Scholarly journal of parapsychology published quarterly by the Psychical Research Foundation. Its title derives from the initial letter of the Greek word, Thanatos (death) and its concern is mainly with research on the problem of survival of bodily death. It was edited for many years by William G. Roll. Theta has been published since 1963. The publication can be reached c/o Dr. Andrew Nichols, P.O. Box 142193, Gainesville, FL 32614-2193.

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

  • MLA
  • Chicago
  • APA

"Theta (Journal)." Encyclopedia of Occultism and Parapsychology. . Encyclopedia.com. 20 Sep. 2018 <http://www.encyclopedia.com>.

"Theta (Journal)." Encyclopedia of Occultism and Parapsychology. . Encyclopedia.com. (September 20, 2018). http://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/theta-journal

"Theta (Journal)." Encyclopedia of Occultism and Parapsychology. . Retrieved September 20, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/theta-journal

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.

theta

theta the eighth letter of the Greek alphabet (Θ, θ), transliterated as ‘th’. In ancient Greece, on the ballots used in voting upon a sentence of life or death, this character stood for thanatos ‘death’, which gave rise to allusive uses.

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

  • MLA
  • Chicago
  • APA

"theta." The Oxford Dictionary of Phrase and Fable. . Encyclopedia.com. 20 Sep. 2018 <http://www.encyclopedia.com>.

"theta." The Oxford Dictionary of Phrase and Fable. . Encyclopedia.com. (September 20, 2018). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/theta

"theta." The Oxford Dictionary of Phrase and Fable. . Retrieved September 20, 2018 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/theta

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.

theta

thetacater, crater, creator, curator, data, debater, delator, dumbwaiter, equator, freighter, frustrater, gaiter, grater, gyrator, hater, later, legator, mater, negator, pater, peseta, plater, rotator, skater, slater, stater, tater, traitor, ultimata, understater, upstater, waiter •painter •taster, waster •gamester • aviator • tailgater •hesitater • shirtwaister •Akita, Anita, arboreta, beater, beta, Bhagavadgita, cheater, cheetah, Demeter, Dieter, dolce vita, eater, eta, Evita, excreta, fetor, granita, greeter, heater, Juanita, litre (US liter), Lolita, maltreater, margarita, meter, metre, Peta, peter, praetor (US pretor), repeater, Rita, saltpetre (US saltpeter), secretor, Senhorita, señorita, Sita, skeeter, teeter, terra incognita, theta, treater, tweeter, ureter, veleta, zeta •Batista, Dniester, Easter, feaster, keister, leister, quaestor •speedster •deemster, teamster •scenester • browbeater • windcheater •beefeater •millilitre (US milliliter) •decilitre (US deciliter) •centilitre (US centiliter) •kilolitre (US kiloliter) •ammeter • Machmeter •millimetre (US millimeter) •decimetre (US decimeter) •altimeter •centimetre (US centimeter) •nanometre (US nanometer) •micrometer, micrometre •decametre (US dekameter) •kilometre (US kilometer) • autopista •anteater

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

  • MLA
  • Chicago
  • APA

"theta." Oxford Dictionary of Rhymes. . Encyclopedia.com. 20 Sep. 2018 <http://www.encyclopedia.com>.

"theta." Oxford Dictionary of Rhymes. . Encyclopedia.com. (September 20, 2018). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/theta-0

"theta." Oxford Dictionary of Rhymes. . Retrieved September 20, 2018 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/theta-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.