Initiator

a device used to start the Chain Reaction in an Atomic Bomb of the Fat Man type.

in Polymer Chemistry , a Chemical Compound that initiates a chemical chain reaction. Usually, it forms a Free Radical —an Atom or Molecule with at least one unpaired Electron , or a group of Atom s, charged or uncharged, that act as a single entity in reaction. (see Radical (chemistry) ).

''See also: Explosive Booster .''

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