Dictionary of Sexology Project: Main Index
In chemistry, an amphoteric substance is one that is capable of being both an acid (a proton donor) or a base (proton acceptor) within a relatively normal pH range. The most familiar amphoteric chemical is water.
Refers to a molecule or atom that is capable of accepting or donating protons and thus can serve as an acid or a base.
From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.
Am`pho*ter"ic (#), a. [Gr. both.]
Partly one and partly the other; neither acid nor alkaline; neutral.
© Webster 1913.
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