A polymer containing charged groups to which other charged mobile ions become attached or replaced, used in chromatography.
ionRead more in this article about some frequently asked questions and fun facts related to our definitions.
If you see an odd glow in the sky tonight, here’s what it’s called and its causeYou’ve heard of the northern lights? The next few days you may be able to see lights even if you aren’t that far north. The sun erupted on Sunday, spewing plasma, “a highly ionized gas containing an approximately equal number of positive ions and electrons” right in our direction. There’s no reason to freak out; solar storms are relatively common, and the most significant impact they have on …
- ion engine,
- ion exchange,
- ion generator,
- ion implantation,
- ion propulsion,
- ion rocket,
- ion trap
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.