cation


Also found in: Dictionary, Thesaurus, Idioms, Encyclopedia, Wikipedia.
Related to cation: anion

cation

 [kat´i-on]
an ion with a positive charge. adj., adj cation´ic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

cat·i·on

(kat'ī-on), Avoid the mispronunciation kā'shŭn.
An ion carrying a charge of positive electricity, therefore going to the negatively charged cathode.
[G. katiōn, going down]
Farlex Partner Medical Dictionary © Farlex 2012

cation

A positively-charged ion–eg, Na+, K+, Ca2+, Mg2+
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

cat·i·on

(kat'ī-on)
An ion carrying a charge of positive electricity, therefore going to the negatively charged cathode.
[G. katiōn, going down]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

cation

A positively charged atom, such as Na+ or K+, which is attracted towards a negative electrode (cathode). An atom which, in solution, takes a positive charge. Unlike charges attract; like charges repel.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Cation

An ion carrying a positive charge due to a loss of electrons. Cations in the body include sodium, potassium, magnesium, and calcium ions.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

cat·i·on

(kat'ī-on)
An ion carrying a charge of positive electricity, therefore going to the negatively charged cathode.
[G. katiōn, going down]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Farmer, "Self-assembly of alkylammonium chains on montmorillonite: effect of chain length, head group structure, and cation exchange capacity," Journal of Materials Chemistry, vol.
Relationship between Cation Exchange Capacity of the Slurry Fluid and Its Content of Ionic Stabilizer.
Effect of dietary cation anion difference on urine pH of transitionSahiwal dairy cattle.
CCTV footage showed Cation falling backwards moments later and lying on his back on the lawn in Auchtermuchty, Fife.
The two shorted-lifetime processes might be attributed to different surface trap states corresponding to MA and the bulky cation, respectively.
Isomorphic substitutions can occur in either the tetrahedral ([Si.sup.4+] with [Al.sup.3+]) or octahedral ([Al.sup.3+] with [Mg.sup.2+] or [Fe.sup.2+]) sheets, which yields a net negative charge that is balanced by cations located in the interlayer region.
1: Correlations between the cation ratio of structural stability (CROSS), with the coefficients for K and Mg based on their (A) relative flocculating power (CROSS[sub.f]) or (B) statistically optimized (CROSS[sub.opt]), and the threshold concentration (TEC, mmol[sub.c]/L) in applied water leading to a 15% reduction in the relative saturated hydraulic conductivity of a calcareous soil from the Riverina region of Australia (Arienzo et al.
2 showed that the oxygen-binding abilities of CoL were enhanced by the alkaline cations to different extent.
In this work, we propose that appearance of overshooting effect may be attributed to the chelation between cations and the anionic groups on the polymer chains, which leads to the variation of crosslinking degree and the reorganization of the gel structure.
The more stable complex causes the higher extraction efficiency for this cation in the case of chloroform.
where [q.sub.e] (mg/g) is the amount of adsorbed cation, [C.sub.e] (mg/l) is the equilibrium concentration of cation, [q.sub.m] (mg/g) and b (l/mg) are constants related to maximum sorption and energy of sorption.