2. Noun. The tension in a liquid that is thermodynamically metastable with respect to the vapour phase; especially that in the xylem of vascular plants that allows transpiration to great heights ¹
¹ Source: wiktionary.com
Medical Definition of Negative pressure
1. Pressure less than that of the ambient atmosphere. (05 Mar 2000)
Lexicographical Neighbors of Negative Pressure
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