periplanar

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adjective

Describing a torsion angle between 0° and 30°, or between 150° and 180°

OriginEnglish planar ← Ancient Greek περῐ́ (perĭ́) ← Proto-Indo-European *per- →
Scrabble 14
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Meanings

adjectiveperiplanar (comparative more periplanar, superlative most periplanar)

comparative more periplanar · superlative most periplanar

  1. chemistryDescribing a torsion angle between 0° and 30°, or between 150° and 180°

Origin

  1. Proto-Indo-European*per-
  2. Ancient Greekπερῐ́ (perĭ́)
  3. Englishperi-
  4. Englishplanar
  5. Englishperiplanar

From peri- + planar.

Full word history & related roots →
Cite this entry
APA

periplanar. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/periplanar

MLA

“periplanar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/periplanar. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “periplanar,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/periplanar.

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