Etymology

antihydrogen

A1N1T1I1H4Y4D2R1O1G2E1N1

Today it means: The antimatter equivalent of hydrogen, consisting of an antiproton and a positron (antielectron). Full definition →

English hydrogen ← French hydrogène ← Ancient Greek ὑδρο- (hudro-)
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The story

  1. Englishanti-
  2. Ancient Greekὑδρο- (hudro-)
  3. Frenchhydro-
  4. Frenchhydrogène
  5. Englishhydrogen
  6. English todayantihydrogen

From anti- + hydrogen.

Etymology from Wiktionary, CC BY-SA 4.0.