Etymology

radioisotopic

R1A1D2I1O1I1S1O1T1O1P3I1C3

Today it means: Of, pertaining to, or employing radioisotopes Full definition →

English isotopic ← Latin radius
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The story

  1. Latinradius
  2. Englishradio-
  3. Englishisotope
  4. Englishisotopic
  5. English todayradioisotopic

From radio- + isotopic.

Etymology from Wiktionary, CC BY-SA 4.0.