epimer

E1P3I1M3E1R1
/ˈɛpɪmə(ɹ)/

noun

Any diastereoisomer that has the opposite configuration at only one of the stereogenic centres.

OriginAncient Greek μέρος (méros) ← Proto-Hellenic *(h)méros ← Proto-Indo-European *(s)méros →
Scrabble 10
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Meanings

nounepimer (plural epimers)

plural epimers

  1. chemistryAny diastereoisomer that has the opposite configuration at only one of the stereogenic centres.

Origin

  1. Proto-Indo-European*h₁ep-
  2. Proto-Indo-European*h₁éps
  3. Proto-Indo-European*h₁épi
  4. Proto-Hellenic*epí
  5. Ancient Greekἐπί (epí)
  6. Ancient Greekἐπῐ- (epĭ-)
  7. Englishepi-
  8. Proto-Indo-European*(s)mer-
  9. Proto-Indo-European*(s)méros
  10. Proto-Hellenic*(h)méros
  11. Ancient Greekμέρος (méros)
  12. Englishepimer

From epi- + -mer.

Full word history & related roots →

Translations

Catalan epímer
  • epímerdiastereoisomer
Chinese Mandarin 差向異構體 /差向异构体
  • 差向異構體 /差向异构体 (chàxiàng yìgòutǐ)diastereoisomer
Finnish epimeeri
  • epimeeridiastereoisomer
French épimère
  • épimèrediastereoisomer
Hebrew אפימר
  • אפימר (epimér)diastereoisomer
Italian epimero
  • epimerodiastereoisomer
Polish epimer
  • epimerdiastereoisomer
Spanish epímero
  • epímerodiastereoisomer

Rhymes & wordplay

Anagrams

empirepremiepermie
Cite this entry
APA

epimer. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/epimer

MLA

“epimer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/epimer. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “epimer,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/epimer.

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