chelation

Definitions of chelation

1. noun

   the process of forming a ring by forming one or more hydrogen bonds
   type of:

   chemical action, chemical change, chemical process

   (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
2. noun

   (medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning
   type of:

   physical process, process

   a sustained phenomenon or one marked by gradual changes through a series of states