pentabasic

P3E1N1T1A1B3A1S1I1C3

adjective

Containing five replaceable hydrogen atoms.

OriginEnglish basic ← Ancient Greek πεντᾰ- (pentă-) ← Proto-Hellenic *pénkʷe →
Scrabble 16
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Meanings

adjectivepentabasic (not comparable)
  1. not comparablechemistryContaining five replaceable hydrogen atoms.
  2. not comparablechemistryHaving five atoms of a univalent metal.

Origin

  1. Proto-Indo-European*pénkʷe
  2. Proto-Hellenic*pénkʷe
  3. Ancient Greekπέντε (pénte)
  4. Ancient Greekπεντᾰ- (pentă-)
  5. Englishpenta-
  6. Englishbasic
  7. Englishpentabasic

From penta- + basic.

Full word history & related roots →

Rhymes & wordplay

Rhymes with pentabasic

basicdibasicheptabasichexabasicmonobasicoctabasicpolybasictetrabasictribasic
All rhymes →
Cite this entry
APA

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

MLA

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

Chicago

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

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