peh

P3E1H4

A form of Purple Earth hypothesis — The hypothesis that the earliest photosynthetic lifeforms on Earth were based on retinal rather than chlorophyll, making the surface biosphere appear purplish.

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Meanings

peh1

nounpeh (plural pehs)

plural pehs

  1. alternativeAlternative form of pe (“Semitic letter”).

PEH2

proper noun
  1. abbreviationinitialismInitialism of Purple Earth hypothesis.

Synonyms & antonyms

Also see
purple earth hypothesis

Rhymes & wordplay

Anagrams

hepEph
Cite this entry
APA

peh. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/peh

MLA

“peh.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/peh. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “peh,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/peh.

Source: peh on Wiktionary, CC BY-SA 4.0.