noun (n)

• (physics and chemistry) the simplest structural unit of an element or compound

  (fizik dan kimia) termudah struktural kesatuan unsur atau senyawa

  source: wordnet30
• (nontechnical usage) a tiny piece of anything

  (nontechnical penggunaan) potongan kecil saja

  Synonym:
  atom, corpuscle, mote, particle, speck
  

  source: wordnet30
• One of the very small invisible particles of which all matter is supposed to consist.

  salah satu dari sangat kecil terlihat partikel yang semua masalah seharusnya terdiri.

  source: webster1913