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science b-4
Term | Definition |
---|---|
hazardous waste | dangerous or potentially harmful to our health or the environment |
recycle / recyclablility | convert (waste) into reusable material. |
circuit board | mechanically supports and electrically connects electronic components using conductive tracks |
etch | to produce (as a pattern or design) on a hard material by eating into the material's surface (as by acid or laser beam) |
concentration | the abundance of a constituent divided by the total volume of a mixture. |
dilution | the action of making something weaker in force, content, or value. |
indicator | a thing, especially a trend or fact, that indicates the state or level of something. |
combustion | rapid chemical combination of a substance with oxygen, involving the production of heat and light. |
incineration | is a waste treatment process that involves the combustion of organic substances contained in waste materials |
reclaim / reclaimed / reclamation | retrieve or recover (something previously lost, given, or paid); obtain the return of. |
filtrate | a liquid that has passed through a filter. |
precipitate / precipitation | cause (a substance) to be deposited in solid form from a solution. |