booster seat as carry-on? We are flying to Maui in a few weeks - Air Canada. Miss 6 now has a simple booster seat that has no backrest. Until now, we have always put her full car/booster seat (complete with backrest) into one of those huge plastic bags the airline gives you & checked it.
Low potassium (hypokalemia) refers to a lower than normal potassium level in your bloodstream. Potassium is a chemical (electrolyte) that is critical to the proper functioning of nerve and muscles cells, particularly heart muscle cells.
Wiktionary (0.00 / 0 votes) Rate this definition: potassium (Noun). A soft, waxy, silvery reactive metal that is never found unbound in nature; an element (symbol K) with an atomic number of 19 and atomic weight of 39.0983. The symbol is derived from the Latin kalium.otassium (Noun). A soft, waxy, silvery reactive metal that is never found unbound in nature; an element (symbol K) with an atomic number of 19 and atomic weight of 39.0983. The symbol is derived from the Latin kalium.