zwitterion /zwit·ter·ion/ (tsvit´er-i″on) an ion that has both positive and negative regions of charge.
zwitterion
zwit·ter·i·on (zw t  r-  n, swt-, tsvt-)n. See dipolar ion. zwit ter·i·onic (-- nk) adj. |
zwitterion
[tsvit′ərī′ən]
a molecule that has regions of both negative and positive charge. Amino acids such as glycine are almost always present as zwitterions when in neutral solutions. Also called dipolar ion.
zwitterion
an ion that has both positive and negative regions of charge. Called also dipolar ion.
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