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atom

English

  1. 🔊 (nontechnical usage) a tiny piece of anything
  2. 🔊 (physics and chemistry) the smallest component of an element having the chemical properties of the element

Similar words

molecule particle corpuscle mote speck bohr atom dirac atom i lewis-langmuir atom thomson atom ace acid acidity agent air alkali alkalinity alloisomer anion antacid atomic model atomic particles atoms base