| accelerator |
in nuclear physics, a device that creates high-energy particles by acceleration through electrostatic or electromagnetic means, used for research. [1/3 definitions] |
| acid rain |
rain that has high acidity because of being mixed with pollutants such as vehicle exhausts and residues from burning of fossil fuels for energy or from chemical manufacturing. |
| act |
to do something with purpose or energy. [1/14 definitions] |
| ADP |
a biochemical compound involved in the storing and releasing of energy in all living cells; adenosine diphosphate. (Cf. ATP.) |
| alternative energy |
any form of energy other than that which comes from fossil fuel. |
| alternative energy source |
any source of energy other than fossil fuel. |
| arduous |
of great energy or vigor; strenuous. [1/3 definitions] |
| atomic |
of or relating to atoms or to the use of atoms in creating energy. [1/3 definitions] |
| atomic age |
(often cap.) the period in history characterized by the development and use of atomic energy in the generation of electrical power and for immensely destructive weapons. |
| atomic bomb |
an extremely destructive weapon, the explosive power of which derives from the immense amount of energy suddenly released when the nuclei of uranium 235 or plutonium atoms are split; atom bomb. |
| atomic energy |
the energy that is released by an atom in nuclear reactions such as fission or fusion. [2 definitions] |
| ATP |
a biochemical compound that serves to store energy in all living cells; adenosine triphosphate. (Cf. ADP.) |
| bang |
(informal) a sudden burst of energy or motion. [1/11 definitions] |
| basal metabolism |
the minimum expense of energy that is necessary for life in a resting organism. |
| BeV |
a unit of energy equal to one billion electron-volts. [1/2 definitions] |
| biorhythm |
the use of such cycles in human beings to attempt to predict cycles of behavior, energy level, and the like. [1/2 definitions] |
| birr1 |
energy or vigor. [1/3 definitions] |
| blackbody |
in physics, a hypothetical body that theoretically absorbs all radiant energy falling on its surface. |
| blah |
(pl.; informal) lack of usual interest, spirit, or energy (usu. prec. by "the"). [2/4 definitions] |
| blood |
vigor or energy. [1/7 definitions] |
| bombard |
to shoot radiation or high energy particles at. [1/4 definitions] |