| negative acceleration |
Decrease in the rate of change in velocity per unit of time.
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| negative blood pressure |
Blood pressure that is less than atmospheric pressure, as in the great veins near the heart.
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| negative culture |
A culture made from suspected matter that fails to reveal the suspected organism.
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| negative electricity |
An electric charge caused by an excess of negatively charged electrons.
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| negative heliotaxis |
A turning away from the sun.
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