lead
No type of electromagnetic radiation has any effect on any other type. In order to 'stop' it, you need a material that absorbs it.
A rock, a tree and a dog are three opaque objects that stop or absorb light
No there is no material discovered which can stop the penetration of gamma radiations
What substance that initiates action through receptor
insulators
Metal
You can reflect it, absorb it or even diffract it (a bit).
They can stop metabolic processes in extremes of cold. They have dark pigments to help them absorb heat. They can absorb moisture form snow and ice.
inhibitors
it is a part in root which helps to stop water absorbed to flow out and to absorb liquids
In nuclear reactors, krypton can absorb enough neutrons to slow or stop the chain reaction.
To stop the edges of the material from fraying.