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Science Vocab B-4
Term | Definition |
---|---|
hazardous waste | waste that is dangerous or potentially harmful to our health or the environment. |
recycle | a substance or object that can be recycled |
circuit board | mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate. |
etch | a selective removal of material from the surface of a PCB by means of the chemical action of an etchant |
concentration | the number of molecules or ions in a given volume of a substance, expressed as moles of solute per liter of solution (morality) |
dilution | the action of making a liquid more dilute |
indicator | a thing, especially a trend or fact, that indicates the state or level of something |
combustion | the process of burning something |
incineration | a waste treatment process that involves the combustion of organic substances contained in waste materials |
reclaim | retrieve or recover (something previously lost, given, or paid); obtain the return of |
filtrate | a liquid that has passed through a filter |
precipitate | cause (a substance) to be deposited in solid form from a solution |