in constant change | the science of matter and energy and their interactions |
(physics) the number of changes in energy flow across a given surface per unit area | the physical properties, phenomena, and laws of something |
a flow or discharge | |
the lines of force surrounding a permanent magnet or a moving charged particle | |
excessive discharge of liquid from a cavity or organ (as in watery diarrhea) | |
a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action | |
a substance added to molten metals to bond with impurities that can then be readily removed | |
the rate of flow of energy or particles across a given surface | |