ˈatəm ˈkɔːˌpʌsəl ˈkɔɹˌpʌsəl ˈmɒləkjuːl ˈmɑləkjul ˈpɑːtɪk(ə)l ˈpɑɹtɪkəl either of two types of cells (erythrocytes and leukocytes) and sometimes including platelets (nontechnical usage) a tiny piece of anything