anion has definitions from the fields of chemistry,physics
1
[ noun ] (chemistry,physics) a negatively charged atom

Used in print

(Jay C. Harris and John R. Van Wazer, "Detergent...)

Physicochemical investigations of anionic surfactants , including the soaps , have shown that there is little polymerization or agglomeration of the chain anions below a certain region of concentration called the critical micelle concentration .

(Jacob Robbins et al., "The thyroid-stimulating...)

One type has a small univalent anion of the thiocyanate perchlorate fluoroboride type .

Related terms

ion superoxide hydroxide_ion

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