isoeffective

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adjective

Of a dose of radiation: Having the same biological effect.

“Radiotherapy treatment options can be assessed by comparing the isoeffective dose of each.”

OriginEnglish effective ← French effectif ← Latin effectīvu →
Scrabble 23
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Meanings

adjectiveisoeffective (not comparable)
  1. not comparableOf a dose of radiation: Having the same biological effect.

    Radiotherapy treatment options can be assessed by comparing the isoeffective dose of each.

Origin

  1. Ancient Greekῐ̓́σος (ĭ́sos)
  2. Englishiso-
  3. Proto-Indo-European*h₁éǵʰ
  4. Proto-Indo-European*h₁éǵʰs
  5. Proto-Italic*eks
  6. Latinex
  7. Latinex-
  8. Proto-Indo-European*dʰeh₁-
  9. Proto-Indo-European*dʰeh₁k-
  10. Proto-Indo-European*dʰh₁kyéti
  11. Proto-Italic*θakjō
  12. Proto-Italic*fakjō
  13. Latinfaciō
  14. Latinefficiō
  15. Latineffectīvu
  16. Frencheffectif
  17. Englisheffective
  18. Englishisoeffective

From iso- + effective.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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