| vaccine |
A medication that stimulates the production of antibodies to protect against a specific disease. There is a hepatitis A vaccine, hepatitis B vaccine, and a combination vaccine that provides protection against both hepatitis A and B at the same time.
출처: www.hepb.org/hepb/glossary.htm
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| vacuum |
The state of negative pressure. Reflects how thoroughly air is removed from within a jar of processed food--the higher the vacuum, the less air left in the jar.
출처: doityourself.com/canning/canningglossary.htm
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| vaccine |
Anything that has the ability to trigger an animal's immune system without causing the animal to become sick. The animals' immune system is then given a chance to defend itself against the disease causing agent should it later enter the body.
출처: www.pub.ac.za/resources/glossary.html
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| vacuole |
large organelle in plant cells that contains water, often having dissolved pigments, waste materials, or other substances
출처: www.biologylessons.sdsu.edu/classes/lab7/glossary....
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| vacuum tube |
Electron tube evacuated to such a degree that its electrical characteristics are essentially unaffected by the presence of residual gas or vapor. Have been essentially replaced by transistors for amplification and rectification. Cathode ray tubes are still used as display devices.
출처: www.sciencelobby.com/dictionary/v.html
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