qualitative alteration

qual·i·ta·tive al·ter·a·tion

in electric irritability, a change in which the muscle contracts as readily on application of the anode as on that of the cathode.
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In addition, emphasis thus far has been on alterations in nutrition during development with virtually no focus on the role that exposures to environmental agents, such as air or water pollution, either alone or in combination with qualitative alterations in macro- or micro-nutrition (i.
Emphasis thus far has been on alterations in nutrition during development with virtually no focus on the role that exposures to environmental agents--either alone or in combination with qualitative alterations in macro- or micronutrition--might have on this phenomenon.

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