1) Bursting charge 2) Charge 3) Explosive 4) Explosive charge 
• (n.) One that bursts.
(from the article `X-ray source`) ...are several types of X-ray binaries. In an X-ray pulsar, the gas is channeled to the poles of a neutron star and the radiation is given off as ... ...X-rays. Some of this X-ray emission appears as intense fluctuations of radiation lasting only a few seconds but changing in strength by as much as ... ...
Burst'er (bûrst'ẽr) noun One that bursts. 
a person or thing that bursts. · See