These structures can result in unwanted growth of the electrode and subsequent electronic contact between the battery electrodes — a short circuit. (scientificamerican.com)
«Sealing the glass results in acidification and lack of oxygen, both of which limit unwanted growth.» (fb101.com)
JUST as gardeners prune unwanted growths from flowers, the brain has its own molecular secateurs for trimming back unwanted connections. (newscientist.com)