noun, plural e·lec·tros.

  1. electrotype.

  1. a combining form representing electric or electricity in compound words: electromagnetic.

noun plural -tros

  1. short for electroplate, electrotype

combining form

  1. electric or electricallyelectrocardiograph; electrocute
  2. electrolyticelectroanalysis

before vowels electr-, word-forming element meaning “electrical, electricity,” Latinized form of Greek elektro-, comb. form of elektron “amber” (see electric).


  1. Electricity; electric; electrically:electrocautery.
  2. Electron:electronegative.

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