| a synthetic polymer with a branching, treelike structure; a type of macromolecule in which chains radiate out from a central atom or cluster of atoms to transfer genetic material to living cells. |
| cascade molecule n. See dendrimer. |
den·dri·mer  (děn'drə-mər)  n. A polymer in which the atoms are arranged in many branches and subbranches along a central backbone of carbon atoms. Also called cascade molecule. [dendr(o)- + alteration of (pol)ymer.] |