Etymology

radioassay

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Today it means: An assay of an ore or some other radioactive sample to determine the intensity of its radiation. Full definition →

English assay ← Latin radius
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The story

  1. Latinradius
  2. Englishradio-
  3. Englishassay
  4. English todayradioassay

From radio- + assay.

Etymology from Wiktionary, CC BY-SA 4.0.