The term IT MULTIPLIES BY DIVIDING can be solved by two crossword solutions: CELL and AMOEBA. CELL is a four-letter word that refers to the basic structural and functional unit of all known living organisms. An AMOEBA, on the other hand, is a six-letter word that refers to a single-celled organism that moves and feeds by extending its pseudopods. It is capable of reproducing itself by dividing into two parts. This process of multiplying by dividing is known as binary fission.